CLAS251 Scientific Terminology

Monmouth College Monmouth, Illinois

Instructor: Thomas J. Sienkewicz (toms@monm.edu)

Some Chemical Suffixes
SUFFIX

-ane

-ase

-ate

ene



-ic



-id (-ide)

-in











-ine

-ite

-ol

-one







-ose

-ous



-sterol

MEANING

a saturated hydrocarbon

enzyme

salt formed from an acid

whose name ends in -ic

unsaturation of an organic compound, especially one

having a double bond

having or taking a valence higher than in corresponding -ous compounds

a compound of two elements

1. a neutral chemical compound, such as a glyceride or protein, as distinguished from an alkaloid or basic substance

2. an enzyme

3. a name of a drug or pharmaceutical product

halogen

salt formed from an acid whose name ends in -ous

alcohol or phenol

1. an oxygen-containing or ketone compound

2. a chemical compound containing oxygen, especially in a carbonyl or similar group

carbohydrate

occuring with a valence that is lower than that in a comparable -ic system

unsaturated solid alcohol compound of steroid group

EXAMPLE

hexane, propane

oxidase, amylase

sulphate, bicarbonate,

chlorate, perchlorate

ethylene



ferric



ferric oxide

protein, globulin, phthalein





pancreatin

penicillin, aspirin

chlorine, fluorine

sulfite, chlorite

glycerol

acetone

lactone



dextrose, glucose

ferrous, osmous



cholesterol, ergosterol



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