| air curtain |
a draft of compressed air blown continuously across a doorway, usu. downward, to act as a door in maintaining interior temperature. |
| air pocket |
a downward air current that can cause an abrupt change, usu. a drop, in an aircraft's altitude. |
| anticline |
a formation of rock layers characterized by two downward slopes going in opposite directions from a central crest. (Cf. syncline.) |
| basin |
in geology, an area where rock strata tilt downward toward a common center. [1/6 definitions] |
| bibcock |
a faucet with a downward-bent nozzle. |
| bow1 |
to bend downward; stoop. [2/8 definitions] |
| chop1 |
to strike or strike at with a strong, swift, downward blow. [3/8 definitions] |
| come down |
to extend in a downward direction. [1/9 definitions] |
| cutaway |
of a coat, tapering downward from the waist toward the tails at the back. [1/4 definitions] |
| declination |
a movement, bend, or slope downward. [1/5 definitions] |
| decline |
to cause to slope downward. [4/10 definitions] |
| declivity |
a downward or descending slope. (Cf. acclivity.) |
| depressor |
any of various muscles that draw a part of the body downward. [1/3 definitions] |
| descend |
to move downward or to a lower position or state. [3/7 definitions] |
| descendent |
proceeding in a downward direction; descending. [1/2 definitions] |
| descent |
the act or process of going downward. [2/4 definitions] |
| dip |
to slope downward or appear to sink. [3/15 definitions] |
| dive |
to plunge or swoop downward rapidly, usu. headfirst. [1/12 definitions] |
| downbeat |
the downward motion of a conductor's hand or baton that signals the first beat of a measure. [1/3 definitions] |
| downdraft |
an air current that flows downward. |
| downgrade |
a slope downward, as in a road. [2/5 definitions] |