An area for parking or storage of military tanks. / (military, metonymically) The tank inventory of a country or army. / A storage facility with tanks for petroleum, etc.

An optical illusion whereby, when a person fixes the gaze on a particular point, an unchanging stimulus away from the fixation point appears to fade away and disappear.

present participle of redline

(biology) A structure situated between the primary cell wall and the plasma membrane of plant cells