a small flycatcher, empidonax virescens, of eastern north america, usually having olive-green plumage above with a yellow tinge on the sides and belly.
- Acadian owl
(in former systems of nomenclature) the saw-whet owl.
the wood of any of several species of mahogany. the cashew tree, its nuts, or resin. historical examples du clos, origin of his fairy tale of acajou and zirphile, and account of his satirical preface to it, ii. curiosities of literature, vol. 3 (of 3) isaac disraeli acajou in french, signifies mahogany, as it does […]
inability or loss of the ability to perform arithmetic operations. noun (psychol) an inability to make simple mathematical calculations acalculia a·cal·cu·li·a (ā’kāl-kyōō’lē-ə) n. a form of aphasia characterized by the inability to perform mathematical calculations.
(in former cl-ssifications) any coelenterate of the group acalephae, including the sea nettles and jellyfishes. historical examples perhaps they too act like the venomous matter produced in the thread-capsules of the acaleph. report on the radiolaria collected by h.m.s. challenger during the years 1873-1876, second part: subcl-ss osculosa; index ernst haeckel and throughout considerable portions […]
acam american college for advancement in medicine