magnesium carbonate
Chemistry
noun
An insoluble white solid, MgCO3, which occurs naturally as the mineral magnesite, and is used as an antacid, as a food additive, as a white pigment, etc.
Origin
Late 19th century; earliest use found in Henry Roscoe (1833–1915), chemist and university administrator.
- a slap in the face
- a slap on the back
- a slap on the wrist
- (as) large as life
- asleep
- asleep at the wheel (or switch)
- ASLEF
- AS level
- a slice of life
- a slice of the action
- (as) light as a feather
- (as) like as not
- as likely as not
- a slip of a ——
- as long as
- as long as one's (or someone's) arm
- aslope
- a slow burn
- as luck would have it
- ASM
- a smack in the face (or eye)
- (as) mad as a box of frogs
- (as) mad as a gum tree full of galahs
- (as) mad as a hatter
- (as) mad as a March hare