noun
or sieve disk
: a wall or portion of a wall between sieve-tube elements containing one or more sieve areas — compare compound sieve plate , sieve tube
noun
or sieve disk
: a wall or portion of a wall between sieve-tube elements containing one or more sieve areas — compare compound sieve plate , sieve tube
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012