Visible or perceptible presentation; appearance; something perceived.
A group of plants or animals having similar appearance.
A mineral with a unique chemical formula whose crystals belong to a unique crystallographic system.
A category in the classification of organisms, ranking below genus; a taxon at that rank.
Either of the two elements of the Eucharist after they have been consecrated.
A component part of compound medicine; a simple.
A particular type of atom, molecule, ion or other particle.
Type or kind. (Compare race.)
Coin, or coined silver, gold, or other metal, used as a circulating medium; specie.
A viewing window.
A typically rectangular region representing the range or area currently visible (within a window, screen, etc.).
To clip (an image or region) so that it fits in a viewport.