diastema

n., pl., -ma·ta (-mə-tə).
A gap or space between two teeth.

[Late Latin diastēma, interval, from Greek, from diistanai, diastē-, to separate. See diastasis.]

diastematic di'a·ste·mat'ic (-stə-măt'ĭk) adj.

(die-uh-STEE-mah)

noun, plural diastemata
A gap between two adjacent teeth.

Etymology
Late Latin, from Greek diastema, interval, from diiastanai, to put apart

WordPix: wordsmith.org/words/diastema.gif.

Usage
"The rock band Space Girls has made diastema cool--no wonder teenage girls are flocking to dentists to have their teeth spaced."

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(dī′-əstē′mə)
n

An abnormal space between two adjacent teeth in the same dental arch.

Diastema. (Zitelli/Davis, 2002)

(dī'ə-stē'mə)
n., pl. -ma·ta (-mə-tə).

1. A fissure or abnormal opening in a part, especially when congenital.
2. A gap or space between two adjacent teeth in the same dental arch.

A space or cleft, e.g. the space in the dental arch between the incisors and canines and cheek teeth. Called also interdental space.