The official South Korean romanization standard for Korean.

To inadvertently prevent (a person, particularly oneself) from entering a place, by leaving it locked. / (computing) To prevent from accessing a data structure.

(business, economics) An event in which an employer bars employees from working as a tactic in negotiating terms of employment, particularly in response to a strike or threat to strike.

(now dated) Having the same. / (idiomatic, now dated) Indicates a more or less habitual activity during the given part of the day.

(physics, mathematics and biology) Forming nouns denoting subatomic particles (proton), quanta (photon), molecular units (codon), or substances (interferon).

(physics) The speed of electromagnetic radiation; in a perfect vacuum it is defined as 299,792,458 metres per second / (colloquial, figuratively) A very rapid speed.

(intransitive, slang) To enthuse about a specific topic; to be engrossed in an interest, especially in discussing it with others. / (intransitive, slang) To do geeky things; to act geeky.

(originally US, gambling) A gaming machine having a long arm-like handle at one side that a player pulls down to make reels spin; the player wins money or tokens when certain combinations of symbols line up on these reels.

Having only one arm; especially having lost an arm.

Having only one leg. / Of an audio signal: having a thin sound as a result of connection through only one wire of a circuit pair.