a tiny opening, as in specialized biological filters or in the shells of some animals
Word origin
[1880–85; micro- + pore2]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: Chief of Staff, barnstorm, interface, pari-mutuel, quotation mark
Examples of 'micropore' in a sentence
micropore
A standard test for a diesel's particulate-matter emissions passes the engine exhaust through a micropore filter.