Englishfor English speakers
Bi
—
noun
(= bismuth)
a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
directional
—
adjective
relating to or indicating directions in space
a directional microphone
—
adjective
relating to direction toward a (nonspatial) goal
he tried to explain the directional trends of modern science
—
adjective
(= directing)
showing the way by conducting or leading; imposing direction on
felt his mother's directing arm around him
the directional role of science on industrial progress
flowmeter
noun
—
device for measuring flow