| Definition/Meaning | Word/Phrase |
| any of a class of composite plastics used to make car bodies and cases for computers and other appliances |
ABS
,
acrylonitrile-butadiene-styrene
|
| phylum or class of elongated wormlike parasites that live in the intestines of vertebrates: spiny-headed worms |
Acanthocephala
,
phylum Acanthocephala
|
| slime mold of the class Myxomycetes |
acellular slime mold
,
myxomycete
,
plasmodial slime mold
,
true slime mold
|
| word class that qualifies nouns |
adjective
|
| word class that qualifies verbs or clauses |
adverb
|
| class of people engaged in growing food |
agriculture
|
| radical insurgent Islamist group consisting of disaffected middle-class professionals in Malaysia who want to overthrow the government by violent means and set up an Islamic state |
al-Ma'unah
|
| any of a class of highly reactive chemical compounds; used in making resins and dyes and organic acids |
aldehyde
|
| antianxiety agent (trade name Xanax) of the benzodiazepine class |
alprazolam
,
Xanax
|
| class of transferases that catalyze transamination (that transfer an amino group from an amino acid to another compound) |
aminopherase
,
aminotransferase
,
transaminase
|
| class of vertebrates that live on land but breed in water; frogs; toads; newts; salamanders; caecilians |
amphibia
,
class Amphibia
|
| class of Gastropoda |
Amphineura
,
subclass Amphineura
|
| use of closed-class words instead of inflections: e.g., `the father of the bride' instead of `the bride's father' |
analysis
|
| comprising flowering plants that produce seeds enclosed in an ovary; in some systems considered a class (Angiospermae) and in others a division (Magnoliophyta or Anthophyta) |
Angiospermae
,
Anthophyta
,
class Angiospermae
,
division Anthophyta
,
division Magnoliophyta
,
Magnoliophyta
|
| class of synthetic detergents in which the molecules do not ionize in aqueous solutions |
anionic
,
anionic detergent
,
non-ionic detergent
|
| hornworts: in some classification systems included in the class Hepaticopsida |
Anthoceropsida
,
class Anthoceropsida
|
| hornworts; liverworts having a thalloid gametophyte; in some classification systems included in the class Hepaticopsida |
Anthocerotales
,
order Anthocerotales
|
| class of drugs that block the action of tumor necrosis factor (TNF); used in cases of rheumatoid arthritis because TNF instigates inflammation of the joints |
anti-TNF compound
|
| any of a class of drugs used to treat depression; often have undesirable side effects |
antidepressant
,
antidepressant drug
|
| noun to designate a class or group, substitution of personal name for common |
antonomasia
|