FLATTENING

Verb

flattening

present participle of flatten

Noun

flattening (plural flattenings)

The act, or the result of making something flat of flatter

A flattened part of something

The Earth is a sphere that has flattenings at the poles.

Source: Wiktionary

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FLATTEN

Flat"ten, v. t. [imp. & p. p. Flattened; p. pr. & vb. n. Flattening.] Etym: [From Flat, a.]

1. To reduce to an even surface or one approaching evenness; to make flat; to level; to make plane.

2. To throw down; to bring to the ground; to prostrate; hence, to depress; to deject; to dispirit.

3. To make vapid or insipid; to render stale.

4. (Mus.)

Definition: To lower the pitch of; to cause to sound less sharp; to let fall from the pitch. To flatten a sail (Naut.), to set it more nearly fore-and-aft of the vessel.

– Flattening oven, in glass making, a heated chamber in which split glass cylinders are flattened for window glass.

Flat"ten, v. i.

Definition: To become or grow flat, even, depressed dull, vapid, spiritless, or depressed below pitch.

Source: Webster’s Unabridged Dictionary 1913 Edition

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