chemical

Also found in: Thesaurus, Medical, Acronyms, Idioms, Encyclopedia, Wikipedia.

Related to chemical: chemical pregnancy, chemical peel

chem·i·cal

(kĕm′ĭ-kəl)

adj.

1. Of or relating to chemistry.

2. Of or relating to the properties or actions of chemicals.

3. Of or relating to chemical weapons: chemical warfare.

1. A substance with a distinct molecular composition that is produced by or used in a chemical process.

2. A drug, especially an illicit or addictive one.

[Obsolete chimical, from chimic, alchemist, from New Latin chimicus, from Medieval Latin alchimicus, from alchymia, alchemy; see alchemy.]

chem′i·cal·ly adv.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chemical

(ˈkɛmɪkəl)

(Chemistry) any substance used in or resulting from a reaction involving changes to atoms or molecules, esp one derived artificially for practical use

adj

1. (Chemistry) of or used in chemistry: chemical balance.

2. (Chemistry) of, made from, or using chemicals: chemical fertilizer.

ˈchemically adv

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

chem•i•cal

(ˈkɛm ɪ kəl)

n.

1. a substance produced by or used in chemistry.

2. chemicals, Slang. narcotic or mind-altering drugs or substances.

adj.

3. of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula.

4. used in chemical warfare: chemical weapons.

[1570–80]

chem′i•cal•ly, adv.

chem·i·cal

(kĕm′ĭ-kəl)

Adjective

Relating to or produced by means of chemistry: a chemical discovery; a chemical change.

Noun

A substance obtained by or used in a chemical process; a chemical compound.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

chemical

A unit of mass equal to 1⁄16 of the weighted mass of the three naturally occurring neutral oxygen isotopes. 1 amu chemical = (1.660 ± 0.000 05) x 10-27 kg. Formerly called the atomic weight unit.

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Noun	1.	chemical - material produced by or used in a reaction involving changes in atoms or molecules chemical substance explosive - a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck material, stuff - the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread" reactant - a chemical substance that is present at the start of a chemical reaction Alar, daminozide - a chemical sprayed on fruit trees to regulate their growth so the entire crop can be harvested at one time carrier - an inactive substance that is a vehicle for a radioactive tracer of the same substance and that assists in its recovery after some chemical reaction bacteriacide, bactericide - any chemical agent that destroys bacteria carbon tetrahalide - compounds composed of 1 carbon and 4 halogen molecules congener - a minor chemical constituent that gives a wine or liquor its distinctive character chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight soil conditioner - a chemical substance used to improve the structure of the soil and increase its porosity; "gypsum can be used as a soil conditioner" fertiliser, fertilizer, plant food - any substance such as manure or a mixture of nitrates used to make soil more fertile flux - a substance added to molten metals to bond with impurities that can then be readily removed fumigant - a chemical substance used in fumigation herbicide, weed killer, weedkiller - a chemical agent that destroys plants or inhibits their growth intermediate - a substance formed during a chemical process before the desired product is obtained fraction - a component of a mixture that has been separated by a fractional process larvicide - a chemical used to kill larval pests pesticide - a chemical used to kill pests (as rodents or insects) phytochemical - a chemical substance obtained from plants that is biologically active but not nutritive product - a chemical substance formed as a result of a chemical reaction; "a product of lime and nitric acid" restrainer - a chemical that is added to a photographic developer in order to retard development and reduce the amount of fog on a film stabilizer - a chemical that is added to a solution or mixture or suspension to maintain it in a stable or unchanging state softener - a substance added to another to make it less hard
Adj.	1.	chemical - relating to or used in chemistry; "chemical engineer"; "chemical balance" chemic
	2.	chemical - of or made from or using substances produced by or used in reactions involving atomic or molecular changes; "chemical fertilizer"

chemical

noun compound, drug, substance, synthetic substance, potion The whole food-chain is affected by the over-use of chemicals in agriculture.

Chemical elements

Symbols	Atomic numbers
hydrogen	H	1
helium	He	2
lithium	Li	3
beryllium	Be	4
boron	B	5
carbon	C	6
nitrogen	N	7
oxygen	O	8
fluorine	F	9
neon	Ne	10
sodium	Na	11
magnesium	Mg	12
aluminium or (U.S.) aluminum	Al	13
silicon	Si	14
phosphorus	P	15
sulphur or (U.S.) sulfur	S	16
chlorine	Cl	17
argon	Ar	18
potassium	K	19
calcium	Ca	20
scandium	Sc	21
titanium	Ti	22
vanadium	V	23
chromium	Cr	24
manganese	Mn	25
iron	Fe	26
cobalt	Co	27
nickel	Ni	28
copper	Cu	29
zinc	Zn	30
gallium	Ga	31
germanium	Ge	32
arsenic	As	33
selenium	Se	34
bromine	Br	35
krypton	Kr	36
rubidium	Rb	37
strontium	Sr	38
yttrium	Y	39
zirconium	Zr	40
niobium	Nb	41
molybdenum	Mo	42
technetium	Tc	43
ruthenium	Ru	44
rhodium	Rh	45
palladium	Pd	46
silver	Ag	47
cadmium	Cd	48
indium	In	49
tin	Sn	50
antimony	Sb	51
tellurium	Te	52
iodine	I	53
xenon	Xe	54
caesium or (U.S.) cesium	Cs	55
barium	Ba	56
lanthanum	La	57
cerium	Ce	58
praseodymium	Pr	59
neodymium	Nd	60
promethium	Pm	61
samarium	Sm	62
europium	Eu	63
gadolinium	Gd	64
terbium	Tb	65
dysprosium	Dy	66
holmium	Ho	67
erbium	Er	68
thulium	Tm	69
ytterbium	Yb	70
lutetium or lutecium	Lu	71
hafnium	Hf	72
tantalum	Ta	73
tungsten or wolfram	W	74
rhenium	Re	75
osmium	Os	76
iridium	Ir	77
platinum	Pt	78
gold	Au	79
mercury	Hg	80
thallium	Tl	81
lead	Pb	82
bismuth	Bi	83
polonium	Po	84
astatine	At	85
radon	Rn	86
francium	Fr	87
radium	Ra	88
actinium	Ac	89
thorium	Th	90
protactinium	Pa	91
uranium	U	92
neptunium	Np	93
plutonium	Pu	94
americium	Am	95
curium	Cm	96
berkelium	Bk	97
californium	Cf	98
einsteinium	Es	99
fermium	Fm	100
mendelevium	Md	101
nobelium	No	102
lawrencium	Lr	103
rutherfordium	Rf	104
dubnium	Db	105
seaborgium	Sg	106
bohrium	Bh	107
hassium	Hs	108
meitnerium	Mt	109

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

Translations

كيميائي، كيماويمادَة كِيميائِيَّةمادَّةٌ كيميائيه

chemikáliechemický

kemikaliekemiskkemi

Chemikalie chemisch Chemiekalie

χημική ουσία χημικός

químico sustancia química producto químico química

kemiallinenkemikaalikova huume

chimique produit chimique

kemikalija

kémiaivegyszer

efna-, efnafræîilegurefni

sostanza chimica chimicoelemento chimicofarmacista chimica

化学薬品

화학 제품

chemisch chemische stof scheikundig

kjemisk kjemikalie kjemikalium kjemi-

chemiczny

químico substância química

chimic

химический химическое вещество

chemickýchemikália

kemičenkemikalija

kemikaliekemisk

สารเคมี

kimyasalkimyasal maddekimyevî

hóa chất

化学制品化学品化学的

chemical

[ˈkemɪkəl]

A. ADJ → químico

B. N → sustancia f química, producto m químico

C. CPD chemical engineer N → ingeniero/a m/f químico/a
chemical engineering N → ingeniería f química
chemical warfare N → guerra f química
chemical weapon N → arma f química

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

chemical

[ˈkɛmɪk^əl]

adj → chimique

n → produit m chimiquechemical engineer n → ingénieur m chimistechemical engineering n → génie m chimique

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

chemical

adj → chemisch; chemical accident → Chemieunfall m; chemical castration → chemische Kastration

n → Chemikalie f

chemical

chemical engineer

n → Chemieingenieur(in) m(f)

chemical engineering

n → Chemotechnik f

chemically

adv → chemisch

chemical toilet

n → Chemietoilette f

chemical warfare

n → chemische Krieg(s)führung

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

chemical

[ˈkɛmɪk/əl]

1. adj → chimico/a

2. n → prodotto chimico

chemistry

(ˈkemistri) noun

(the science that deals with) the nature of substances and the ways in which they act on, or combine with, each other. Chemistry was his favourite subject; the chemistry of the blood.

ˈchemical adjective

of chemistry. a chemical reaction.

noun

a substance used in or obtained by a chemical process. Some chemicals give off harmful fumes.

ˈchemist noun

1. a scientist who studies or works in chemistry. an industrial chemist.

2. (American ˈdruggist) a person who makes up and sells medicines and usually also soap, make-up etc.

3. a chemist's shop. Where is the nearest chemist?

chemical

→ مادَة كِيميائِيَّة chemikálie kemikalie Chemikalie χημική ουσία sustancia química kemikaali produit chimique kemikalija sostanza chimica 化学薬品 화학 제품 chemische stof kjemikalie chemiczny substância química химическое вещество kemikalie สารเคมี kimyasal hóa chất 化学品

chem·i·cal

a. químico-a;

___ peel → peladura ___;

___ dependency → ___ dependencia en productos químicos.

chemical

adj químico; n sustancia química, producto químico

References in classic literature ?

"A fellow who is working at the chemical laboratory up at the hospital.

View in context

The doctor had bought the house from the heirs of a celebrated surgeon; and his own tastes being rather chemical than anatomical, had changed the destination of the block at the bottom of the garden.

View in context

The rest depended on myself, on luck, time, human credulity, and a smattering of chemical knowledge which I had acquired in the days of my medical studies.

View in context

Since the battle of Borodino and the pillage of Moscow it had borne within itself, as it were, the chemical elements of dissolution.

View in context

The best years of my life have been passed in the ardent study of medical and chemical science.

View in context

In the latter part of the last century there lived a man of science, an eminent proficient in every branch of natural philosophy, who not long before our story opens had made experience of a spiritual affinity more attractive than any chemical one.

View in context

That our principal movements were known to the First Born I could not have doubted, in view of the attack of the fleet upon us the day before, nor could the stopping of the pumps of Omean at the psychological moment have been due to chance, nor the starting of a chemical combustion within the one corridor through which we were advancing upon the Temple of Issus been due to aught than well-calculated design.

View in context

And still there arose in me no desire for alcohol, no chemical demand.

View in context

Would he obtain air by chemical means, in getting by heat the oxygen contained in chlorate of potash, and in absorbing carbonic acid by caustic potash?

View in context

In consequence again of those accursed laws of consciousness, anger in me is subject to chemical disintegration.

View in context

This fortune was a great boon to him; for, though he might have made millions of dollars by exploiting two or three of his chemical discoveries relative to new processes of dyeing, it was always repugnant to him to use for his own private gain the wonderful gift of invention he had received from nature.

View in context

"Of old I used to say that in my body, that in the body of this grass and of this beetle (there, she didn't care for the grass, she's opened her wings and flown away), there was going on a transformation of matter in accordance with physical, chemical, and physiological laws.