Flare

взрыв

vzryv

(source of brightly burning light or intense heat)

вспо́лох

vspólox

(source of brightly burning light or intense heat)

вспы́шка

vspýška

(source of brightly burning light or intense heat)

клёш

kljoš

(widening of the lower legs of trousers and jeans)

развальцо́вка

razvalʹcóvka

(widening of an object with otherwise roughly constant width)

растру́б

rastrúb

(widening of an object with otherwise roughly constant width)

расшире́ние

rasširénije

(widening of an object with otherwise roughly constant width)