1. To unfold and spread out the wings, like a mantle; said of hawks. Also used figuratively. Ne is there hawk which... Read More
The nuclear zone of the developing neural tube between the marginal layer and the ependymal layer; forms the... Read More
1. (Science: marine biology, zoology) A shelly concretion, usually rounded, and having a brilliant luster, with... Read More
What is biosphere? The biosphere is that part of the Earth where living things thrive and live. It is the portion of the... Read More
Any of the various naturally-occurring abiogenic substances,... Read More
In biochemistry, oxygen is the colorless, odorless, gaseous element represented by the symbol "O", with... Read More
An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More
1. A device, consisting of a pipe or tube bent so as to form two branches or legs of unequal length, by which a... Read More
An invertebrate refers to any of the animals lacking a vertebral column. The term invertebrate came... Read More
To send forth in a current or stream; to cause to flow; to pour; as, his eyes streamed tears. It may so please that... Read More
(Science: veterinary) A male hawk. See Tercel.
1. A pendent ornament, attached to the corners of cushions, to... Read More
(Science: physiology) animal cellulose; a substance present in the mantle, or tunic, of the tunicates, which... Read More
1. A drone; a slow, lazy fellow; a sluggard.
2. A hindrance; an obstruction.
3. (Science: zoology) Any one of numerous... Read More