the process of ionizing; the formation of ions by separating atoms or molecules or radicals or by adding or subtracting electrons from atoms by strong electric fields in a gas
the condition of being dissociated into ions (as by heat or radiation or chemical reaction or electrical discharge); "the ionization of a gas"
sports equipment consisting of an object set up for a marksman or archer to aim at
a reference point to shoot at; "his arrow hit the mark"
the location of the target that is to be hit
intend (something) to move towards a certain goal; "He aimed his fists towards his opponent's face"; "criticism directed at her superior"; "direct your anger towards others, not towards yourself"
a part of the cell containing DNA and RNA and responsible for growth and reproduction
any histologically identifiable mass of neural cell bodies in the brain or spinal cord
the positively charged dense center of an atom
(astronomy) the center of the head of a comet; consists of small solid particles of ice and frozen gas that vaporizes on approaching the sun to form the coma and tail
the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)