rock flour

R r

Transcription

- US Pronunciation
- US IPA
- [rok flouuh r, flou-er]
- /rɒk flaʊər, ˈflaʊ ər/

- US Pronunciation
- US IPA
- [rok flouuh r, flou-er]
- /rɒk flaʊər, ˈflaʊ ər/

Definitions of rock flour words

noun rock flour glacial meal. 1
noun rock flour very finely powdered rock, produced when rocks are ground together (as along the faces of a moving fault or during the motion of glaciers) and are thus chemically unweathered 0

See all 2 definitions of rock flour

Information block about the term

Origin of rock flour

First appearance:

before 1880

One of the 23% newest English words

First recorded in 1880-85

Historical Comparancy

Parts of speech for Rock flour

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Rock flour

rock flour popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 36% of English native speakers know the meaning and use word.

According to our data about 73% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

rock flour usage trend in Literature

This diagram is provided by Google Ngram Viewer