allotrope
/ˈalətrəʊp
/noun Chemistry
Each of two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all allotropes of carbon.Two allotropes of the element exist, accounting for the slight variation in densities....
- Each of these allotropes of phosphorous also has its own subset of forms.
- A third allotrope occurs as an amorphous brown powder with a density of 2.350 grams per cubic centimeter.
Origin
Late 19th century: back-formation from allotropy.
- put someone on the spot
- put someone on to
- put someone (or something) through their (or its) paces
- put someone out
- put someone out to pasture
- put someone's eyes out
- put someone's nose out of joint
- put someone's (or have one's) ass in a sling
- put someone/thing on the map
- put someone/thing out of one's mind
- put someone/thing out of their misery
- put someone/thing to flight
- put someone/thing to the test
- put someone through
- put someone through the wringer (or the mangle)
- put someone to
- put someone to bed
- put someone to death
- put someone to shame
- put someone to sleep
- put someone under
- put someone up
- put someone up to
- put something about
- put something across