plural of True

(aviation) The speed of an aircraft relative to the air mass within which it is flying.

plural of true airspeed

(idiomatic) According to one's nature; as expected.

A strict follower of a doctrine. / One who believes dogmatically in something regardless of evidence or even conclusive proof that the thing is false or was staged; one who has true-believer syndrome.

Well-established and tested; known to work or succeed based on extensive experience.

(botany) Any leaves of a seed plant other than the cotyledons. / (botany) Any leaf containing vascular tissue.

Steadfastly faithful or loyal; unwavering in loyalty; staunch, true. / (specifically); Representing the true essence of something; authentic, genuine, honest.

(countable) A faithful partisan or supporter of a cause, person, political party, etc. / (uncountable, historical) A blue dye from Coventry, England, famous for not washing out.

To become real: to become true or existent. / (biology) To breed true; to maintain identity of salient characteristics through propagation processes.