Definify.com
Webster 1913 Edition
Flatten
Flat′ten
(flăt′t’n)
, Verb.
T.
[
imp. & p. p.
Flattened
; p. pr. & vb. n.
Flattening
.] [From ]
Flat
, Adj.
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.)
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
,Verb.
I.
To become or grow flat, even, depressed, dull, vapid, spiritless, or depressed below pitch.
Webster 1828 Edition
Flatten
FLAT'TEN
,Verb.
T.
1.
To make flat; to reduce to an equal or even surface; to level.2.
To beat down to the ground; to lay flat.3.
To make vapid or insipid; to render stale.4.
To depress; to deject, as the spirits; to dispirit.5.
In music, to reduce, as sound; to render less acute or sharp.FLAT'TEN
,Verb.
I.
1.
To grow or become even on the surface.2.
To become dead, stale, vapid or tasteless.3.
To become dull or spiritless.