> as lemmas
blow-off
blow-off n. 
/ˈbloʊˌɑf/ (a) the action or operation of ridding a boiler of water or sediment by the force of steam; also attributive; (b) figurative an outburst.
Brit. /ˈbləʊɒf/
, /ˈbləʊɒf/U.S. /ˈbloʊˌɔf/
, /ˈbloʊˌɔf//ˈbloʊˌɑf/ΘΚΠ
the world > action or operation > manner of action > violent action or operation > [noun] > bursting violently from rest or restraint > instance of
outbreakinga1387
breaking-out1552
outbreak1562
eruption1598
storm1602
out-breach1609
fulmination1623
outflying1641
outburst1657
float1763
overboiling1767
irruption1811
gush1821
outflash1831
outflush1834
shooting forth1837
outbursting1838
blow-off1842
outblaze1843
upburst1843
upthrow1855
upbreak1856
spurt1859
outlash1868
spitfire1886
Brock's benefit1948
1842 Civil Engineer & Architect's Jrnl. 5 367/2 Blow-off cocks.
1859 W. J. M. Rankine Man. Steam Engine §305 The blow-off apparatus consists, in fresh-water boilers, simply of a large cock at the bottom of the boiler.
a1877 E. H. Knight Pract. Dict. Mech. I. Blow-off Pipe.
1898 S. M. Fergusson in ‘House’ on Sport I. 174 A blow-off in this wise [i.e. swearing at golf] does one good now and then.
1899 Daily News 9 Mar. 5/3 The blow-off pipes into the sea being broken, the chief engineer..had to let the water run out of the boilers into the hold.
1934 J. M. Cain Postman always rings Twice xiii. 142 What we had the big blow-off over was the beer license.
<
as lemmas