picr
picr — combining form
1. relating to a bitter taste or a bitter chemical compound — used in the names of
relating to a bitter taste or a bitter chemical compound — used in the names of substances, especially picric acid (a yellow, bitter-tasting compound once used as an explosive and in dyes).
Picric acid gets its name from the Greek word for bitter, because of its intensely bitter taste.
combining form + acid: naming chemical compounds
Picramide has a bitter taste that chemists noticed when they first studied the compound.
explicit mention of bitter taste with picr- compound
A single grain of picric acid is enough to leave a strong bitter taste on the tongue.
The combining form picr- appears in chemical names to show that a substance has a bitter quality.
用法筆記
Does not appear as a standalone word. Attaches to other roots (e.g. -ic, -ate, -amide) to form technical terms, primarily in organic chemistry and historical medicine. The combining form comes from Greek 'pikros' meaning 'bitter'.