Monday, June 8, 2009

Prefix of the Day: ACU-

Prefix of the day:

ACU-

From Latin "acus" meaning needle. We use ACU- most frequently to mean "sharp"--like a needle.

ACUte: sharp or intense--like ACUte pain or ACUte angles: ACUte angles are sharp angles (as contrasted with obtuse angles, which are dull)

ACUity: sharpness--either of senses or objects.

ACUtance: a measure of the sharpness (clarity) of a photograph.

ACUmen: keen insight or discernment; sharpness of mind.

Mnemonic:
A porcupine has a sharp bACU know (back, you know).

1 comment:

  1. Love the mnemonic! Thanks, C.S.

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