chalk
— Noun
– English
~ an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant
chalk
— Noun
– English
~ a pure flat white with little reflectance
chalk
— Noun
– English
~ a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
chalkboard
— Noun
– English
~ sheet of slate; for writing with chalk
chalkstone
— Noun
– English
~ a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout
chalky
— Adjective
– English
~ of something having the color of chalk; "she turned chalky white"
chalky
— Adjective
– English
~ composed of or containing or resembling calcium carbonate or calcite or chalk
challah
— Noun
– English
~ (Judaism) a loaf of white bread containing eggs and leavened with yeast; often formed into braided loaves and glazed with eggs before baking
challenge
— Verb
– English
~ issue a challenge to; "Fischer challenged Spassky to a match"