casing

/ˈkeɪsɪŋ/ (bre, ipa) · [kˈesɪŋ] /ˈkeɪsɪŋ/ (ame, ipa) · [kˈesɪŋ] /ˈkā-siŋ How to pronounce casing (audio)/ (ame, mw)

casing — noun

  • casingsingular
  • casingsplural

1. the outer shell or protective layer fitted around an object, machine part, or wi

1.名詞B2
釋義

the outer shell or protective layer fitted around an object, machine part, or wire to keep it safe or hold it in place.

例句

Harper snapped the blue casing onto her new phone before leaving the shop.

casing onto + device

After the fall, Rohan found a crack in the metal casing around the flashlight.

metal casing around + object

同義詞
  • shell

    often suggests a hard outside layer and is slightly less technical than 'casing'

  • housing

    more technical; often used for the body of a machine or electrical part

  • cover

    broader everyday word for something that lies over or around another thing

文法句型

casing around + object

casing for + machine/device

plastic/metal/rubber + casing

用法筆記

Usually refers to the outside part that surrounds equipment, wires, or other physical parts. Distinguish from sense 2, which is a building term for the trim around a door or window.

2. the strip of frame and trim fixed along the sides of a doorway or window gap.

2.名詞C1
釋義

the strip of frame and trim fixed along the sides of a doorway or window gap.

例句

The carpenter painted the window casing white before the new family moved in.

window casing

Dust gathered along the wooden casing above the bathroom door.

wooden casing above + door

同義詞
  • trim

    broader word for decorative finishing pieces inside a room

  • frame

    can refer to the structural border, while 'casing' often includes the visible trim

  • moulding

    focuses more on the shaped decorative strip than on the whole frame area

文法句型

casing around + doorway/window

paint/replace + the casing

window/door + casing

用法筆記

Used mainly in building, repair, and decorating contexts for the finished edge around an opening. Unlike sense 1, it does not refer to a shell around a device or wire.