The yellow central part of a chicken’s (or other bird’s) egg.

The form of the English language written and spoken from the end of the 15th century to the mid-17th century.

(uncountable) A lifestyle and subculture that advocates abstinence from alcohol, tobacco and the usage of recreational drugs. / (countable) Alternative form of straightedge

(idiomatic) The limit of one’s patience, when one is so frustrated or annoyed that one can no longer cope. / (idiomatic) The point at which one has run out of options or the ability to delay.

(computing) An application that searches for, and retrieves, data based on some criteria, especially one that searches the Internet for documents containing specified words.

(physics) The creation of excess electron-hole pairs, triggered by impinging beta particles.

(physics) the conversion of electromagnetic radiation into electric power through absorption by a semiconducting material

(idiomatic, chiefly in the negative) To tell an expert how to do things.

(chemistry) Any of the group of metallic elements that have an incomplete inner (d) electron shell, having multiple valencies and forming coloured compounds and stable complex ions; the elements from scandium through copper, and those lying below them in the periodic table.

(chemistry) Any of a group of seventeen soft, lustrous, sometimes magnetic metals that form trivalent salts; they include the lanthanides plus yttrium, scandium, thorium and sometimes zirconium.