Prefix Flashcards: dia- and per-

Front

dia-

Back

A prefix meaning 'through' or 'across'. Used in words like diagonal, diaphragm, diameter, diagnose, dialect.

Front

per-

Back

A prefix meaning 'through', 'thoroughly', or 'completely'. Used in words like perspire, permeable, perceive, perforate, persistent, percolate, pervasive.

Front

diagonal

Back

a straight line across a shape

Front

diaphragm

Back

a muscle across your body, under your lungs

Front

diameter

Back

a straight line passing through a circle or sphere

Front

perimeter

Back

the continuous line forming the boundary of a closed geometric figure

Front

percolate

Back

to filter gradually through a porous surface or substance

Front

perceive

Back

to become aware or conscious of something; to come to realize or understand

Front

permeable

Back

a material that allows things to pass through (like air or water, etc)

Front

perforate

Back

to make a hole or holes through something