See Also: toe-drop(medicine)
drop-off(dictionary)
drop-in(dictionary)
drop-(dictionary)
drop(2)(dictionary)
drop(1)(dictionary)
Drop(medicine)
Drop-out(health)
Drop(finance)
Drop, The(money)

thyronine (iou) and drop-off (iou)


thyronine (iou)



thyronine noun. E20.
[from THYRO- + -n- + -INE5.]
Chemistry. An amino acid, C15H15NO4, of which the thyroid hormones can be regarded as Derivatives.

drop-off (iou)



drop-off adjective & noun. E20.
[from drop off s.v. DROP verb.]
A. adjective. Of or pertaining to dropping off; (of a place) where things or people can be dropped off or set down. E20.
b. noun.
An act or instance of dropping off; spec. a diminution, a decrease; a slowing down. E20.
National Observer (US) There is a small extra charge..for drop offs and pickups in Lincoln. Nature A reflectance spectrum showing a steep dropoff in the UV.
A declivity; a steep drop; a cliff. N. Amer. M20.