Cram

Front 1

Ante-

Back 1

a prefix meaning “before,” used in the formation of compound words:

Example: anteroom; antebellum; antedate.

Front 2

Anti-

Back 2

a prefix meaning “before,” used in the formation of compound words:

Example: anteroom; antebellum; antedate.

Front 3

Aqua-/hydro/

Back 3

a combining form meaning “water,” used in the formation of compound words:

Examples: hydroplane; hydrogen.

Front 4

auto-

Back 4

a combining form meaning “self,” “same,” “spontaneous,” used in the formation of compound words:

Example: autograph, autodidact.

Front 5

bi-

Back 5

a combining form meaning “twice,” “two,” used in the formation of compound words:

Example: bifacial; bifarious.

Front 6

bio-

Back 6

a combining form meaning “life” occurring in loanwords from Greek (biography); on this model, used in the formation of compound words (bioluminescence).

Front 7

co-

Back 7

The prefix co-, now productively forms new words from bases beginning with any sound (co-conspirator; co-manage; coseismic), sometimes with the derived sense “auxiliary, subsidiary” (coenzyme; copilot), and, in mathematics and astronomy, with the sense “complement” (codeclination).

Front 8

di-

Back 8

a prefix occurring in loanwords from Greek, where it meant “two,” “twice,” “double” (diphthong); on this model, freely used in the formation of compound words (dicotyledon; dipolar) and in chemical terms (diatomic; disulfide).

Front 9

endo-

Back 9

a combining form meaning “within,” used in the formation of compound words:

Example: endocardial.

Front 10

epi-

Back 10

a prefix occurring in loanwords from Greek, where it meant “upon,” “on,” “over,” “near,” “at,” “before,” “after” (epicedium; epidermis; epigene; epitome); on this model, used in the formation of new compound words (epicardium; epinephrine).

Front 11

exo-

Back 11

a combining form meaning “outside,” “outer,” “external,” used in the formation of compound words:

Example: exocentric.

Front 12

geo-

Back 12

a combining form meaning “the earth,” used in the formation of compound words:

Exampl: geochemistry.

Front 13

hetero-

Back 13

a combining form meaning “different,” “other,” used in the formation of compound words:

Example: heterocyclic.

Front 14

homo-

Back 14

a combining form appearing in loanwords from Greek, where it meant “same” (homology); on this model, used in the formation of compound words

Example: (homomorphic).