Synonyms of the word

stoma

• n. (botany) One of the tiny pores in the epidermis of a leaf or stem through which gases and water vapor…
• n. A small opening in a membrane; a surgically constructed opening, especially one in the abdominal wall…
• n. (zoology) A mouthlike opening, such as the oral cavity of a nematode.
• n. An artificial anus.

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.

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…

orifice

• n. A mouth or aperture, such as of a tube, pipe, etc.; an opening.

pore

• n. A tiny opening in the skin.
• n. By extension any small opening or interstice, especially one of many, or one allowing the passage of a…
• v. to study meticulously; to go over again and again.
• v. to meditate or reflect in a steady way.

porta

• n. (anatomy) The part of the liver or other organ where its vessels and nerves enter; the hilum.
• n. (anatomy) The foramen of Monro.

stomate

• n. (archaic) stoma.