|noun|
1.a protective covering for the face
2.any of various devices that cover the mouth and nose and are used to prevent inhalation of dangerous substances, to facilitate delivery of a gas (as oxygen or a general anesthetic), or to prevent the dispersal of exhaled infectious material — see gas mask, oxygen mask
3.a cosmetic preparation for the skin of the face that produces a tightening effect as it dries
4.a cover for the face or part of the face used for disguise or protection
a Halloween mask
a catcher’s mask
5.something that disguises or conceals
She visited under a mask of friendship.
|transitive verb|
1.to prevent (an atom or group of atoms) from showing its ordinary reactions
to mask hydroxyl in a sugar by converting it into methoxyl
2.to modify or reduce the effect or activity of (as a process or a reaction)
3.to make indistinct or imperceptible
flavorings used in pharmacy to mask the taste of medications
4.to raise the audibility threshold of (a sound) by the simultaneous presentation of another sound
|verb|
1.conceal, disguise
She found it difficult to mask her anger.
2.to provide or conceal (someone or something) with a mask: such as
3.to conceal (something) from view
mask a gun battery
The entrance was masked by shrubs and flowers.
4.to make (something) indistinct or imperceptible
masks undesirable flavors
mask the smell with a scented candle
[Dr. Joseph] Murray cautioned that people who go gluten-free to ease stomach problems may end up masking the symptoms of underlying conditions such as Crohn’s disease, an immune disorder that affects the digestive tract.— Kiera Butler
5.to hide or conceal (something, such as one’s motives or feelings)
The excuse masked his real purpose.
… a practiced yet futile attempt to mask embarrassment or anger with a smile …— David Remnick
6.to cover (the face or part of the face) with or as if with a mask
The low hood masked her eyes.
The leader masked his face with a scarf, her mother says, but she recognized the raspy voice of their neighbor …— National Geographic
7.to cover (something) for protection
Painters frequently use tape to mask … adjacent surfaces such as walls or trim.— Gwen Bruno
8.to modify the size or shape of (something, such as a photograph) by means of an opaque border
9.to put on a mask : to cover the face with a mask
As workplaces reopen, employees must mask and wash hands frequently.— Robert A. Weinstein and Cory Franklin —often used with upOn a recent weekend, we masked up and went for a bicycle ride in Tokyo.— Motoko Rich and Noriko Hayashi
10.to disguise one’s true character or intentions
11.to take part in a masquerade
searching webster dictionary.....
确信所查单词无拼写错误，继续搜索美国城市词典.....
确信所查单词无拼写错误，继续搜索 the Free Dictionary.....
确信所查单词无拼写错误，继续搜索 YourDictionary.....
来自翻译机器....
|noun|
a Halloween mask
