Synonyms of the word

aperture

• n. An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole.
• n. (optics) Something which restricts the diameter of the light path through one plane in an optical system.
• n. (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of…
• n. (spaceflight, communication) The (typically) large-diameter antenna used for receiving and transmitting…
• n. (mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.

hole

• n. A hollow place or cavity; an excavation; a pit; an opening in or through a solid body, a fabric, etc.;…
• n. (heading) In games.
• n. (archaeology, slang) An excavation pit or trench.
• n. (figuratively) A weakness, a flaw.
• n. (informal) A container or receptacle.
• n. (physics) In semiconductors, a lack of an electron in an occupied band behaving like a positively charged…
• n. (computing) A security vulnerability in software which can be taken advantage of by an exploit.
• n. (slang anatomy) An orifice, in particular the anus.
• n. (Ireland, idiomatic, particularly in the phrase "get one's hole") Sex, or a sex partner.
• n. (informal, with "the") Solitary confinement, a high-security prison cell often used as punishment.
• n. (slang) An undesirable place to live or visit; a hovel.
• n. (figuratively) Difficulty, in particular, debt.
• n. (graph theory) A chordless cycle in a graph.
• v. (transitive) To make holes in (an object or surface).
• v. (transitive, by extension) To destroy.
• v. (intransitive) To go into a hole.
• v. (transitive) To drive into a hole, as an animal, or a billiard ball or golf ball.
• v. (transitive) To cut, dig, or bore a hole or holes in.
• v. simple past tense of hele.
• adj. Obsolete form of whole.

opening

• v. present participle of open.
• n. An act or instance of making or becoming open.
• n. Something that is open.
• n. An act or instance of beginning.
• n. Something that is a beginning.
• n. A vacant position, especially in an array.
• n. An opportunity, as in a competitive activity.
• adj. (cricket) describing the first period of play, usually up to the fall of the first wicket; describing…

regulator

• n. A device that controls or limits something.
• n. A person or group that sets standards of practice, especially those established by law.
• n. A very accurate clock, used by clockmakers to measure the timekeeping of each newly made clock.
• n. (genetics) A gene involved in controlling the expression of one or more other genes.
• n. (rail transport) A device that controls the supply of steam to the cylinders of a steam locomotive.