picein
/ˈpʌɪsɪɪn/ /ˈpɪsɪɪn/noun
1 Chemistry. A glucoside present in various trees, especially willows and conifers; p-hydroxyacetophenone-β-glucoside, CH3·CO·C6H4·O·C6H11O5.
2(Also with capital initial.) An inert thermoplastic substance composed of hydrocarbons from rubber, shellac, and bitumen, used for making joints airtight.
Origin
Late 19th century; earliest use found in Journal of the Chemical Society. From classical Latin piceus pitchy + -in.
- if need be
- Ifni
- if not
- IFO
- if only
- -iform
- IFP
- IFR
- if so
- iftar
- if the cap fits, wear it (if the shoe fits, wear it)
- if the mountain won't come to Muhammad, Muhammad must go to the mountain
- if there ever was
- if the shoe fits, wear it
- if the worst comes to the worst
- if truth be told
- IFV
- if wishes were horses, beggars would ride
- if you ask me
- if you can't beat them, join them
- if you can't stand the heat, get out of the kitchen
- if you know (or see) what I mean
- if you like
- (if you'll) excuse (or pardon) my French
- if you'll pardon the expression