a vacuum tube in which electrons from a heated cathode are focused and deflected onto a phosphorescent screen; used in television sets etc

Calcareous lime deposited by precipitation from a body of water, such as a hot spring. / (petrology) A variety of volcanic rock, tuff.

A device in some early internal combustion engines that ignited the fuel/air mixture in a tube heated by a flame

A yellow poisonous mushroom, Hypholoma fasciculare (= Naematoloma fasciculare).

A yellow poisonous mushroom, Hypholoma fasciculare (= Naematoloma fasciculare).

An inflatable rubber tube inserted into the casing of a pneumatic tyre/tire.

A phototube in which an electric current flows when a certain illumination is reached; used as a relay

(transitive) To pull the blankets or duvet up over (someone in bed); to put (someone) to bed. / (transitive) To push (the fabric at the bottom of a shirt) under the pants.

(intransitive) To eat heartily.

(electronics) A type of electron tube that controls electron current through vacuum between electrodes within a sealed container, usually of glass or metal and often designed to be easily installed in and removed from the equipment in which it is used.