8-letter words starting with op
- op. cit. — In reference books, op. cit. is used after an author's name to refer to a book of theirs which has already been mentioned.
- opalesce — to exhibit a play of colors like that of the opal.
- opalized — made into an opal
- opaquely — not transparent or translucent; impenetrable to light; not allowing light to pass through.
- open bar — a bar at a reception that serves drinks whose cost has been borne by the host, an admission charge, a sponsor, etc.: Before the banquet there will be an open bar from 5 to 7 p.m.
- open cut — noting or pertaining to a type of surface mining in which coal and other flat-lying mineral deposits are removed by the excavation of long, narrow trenches.
- open day — An open day is a day on which members of the public are encouraged to visit a particular school, university, or other institution to see what it is like.
- open die — a die of flat, concave, or hollow V shape that only minimally restricts lateral flow.
- open out — lead to wider area
- open pit — An open pit is a mine where the coal, metal, or minerals are near the surface and underground passages are not needed.
- open sea — the main body of a sea or ocean, especially the part that is outside territorial waters and not enclosed, or partially enclosed, by land.
- open set — a set which is not a closed set
- open-air — existing in, taking place in, or characteristic of the open air; outdoor: The orchestra gave three open-air concerts last summer.
- open-cut — noting or pertaining to a type of surface mining in which coal and other flat-lying mineral deposits are removed by the excavation of long, narrow trenches.
- open-end — of, relating to, or like an open-end investment company.
- open-jaw — relating to a ticket that allows a traveller to arrive in one place and depart from another
- open-pit — noting or pertaining to a type of surface mining in which massive, usually metallic mineral deposits are removed by cutting benches in the walls of a broad, deep funnel-shaped excavation.
- open-top — An open-top bus has no roof, so that the people sitting on the top level can see or be seen more easily. An open-top car has no roof or has a roof that can be removed.
- open-web — having a web of zigzag or crisscross lacing.
- openable — capable of being opened.
- openbill — Either of two species of bird in the genus Anastomus of the stork family Ciconiidae, with a distinctive gap between the mandibles of the closed bill.
- opencast — (chiefly, British) Of or pertaining to strip mining, in which material is removed from a surface that has been exposed.
- openhole — Openhole describes an uncased (=having no casing or liner) part of a well.
- openings — Plural form of opening.
- openness — not closed or barred at the time, as a doorway by a door, a window by a sash, or a gateway by a gate: to leave the windows open at night.
- openside — (rugby), the space on the side of the pitch with the larger distance between the breakdown/set piece and the touchline; compare blindside.
- openstep — (operating system) An object-oriented application programming interface (API) derived from NEXTSTEP and proposed as an open standard by NeXT in 1994. OpenStep is the specification of the object kits of NEXTSTEP. OPENSTEP/Mach was an implementation of this specification. The original, OPENSTEP version 4.0, and really was NEXTSTEP 4. Rhapsody was the codename for Apple's Mac OS X Server, which is really NEXTSTEP 5 (it calls itself "kernel 5.3" at boot time). OpenStep was designed to be implemented independently of the computer's operating system, hardware, and user interface. The API for Rhapsody will be a superset of OpenStep's. When the OpenStep API is implemented for a specific platform and made into a product, it is written in uppercase, e.g. OPENSTEP Developer 4.2 for Mach, or OPENSTEP Enterprise for Windows NT and Windows 95. Versions of OPENSTEP exist for Windows 95/NT, Solaris, HP/UX, and Mach.
- openwork — any kind of work, especially ornamental, as of embroidery, lace, metal, stone, or wood, having a latticelike nature or showing openings through its substance.
- operable — that can be treated by a surgical operation. Compare inoperable (def 2).
- operands — Plural form of operand.
- operants — Plural form of operant.
- operated — to work, perform, or function, as a machine does: This engine does not operate properly.
- operates — Third-person singular simple present indicative form of operate.
- operatic — of or relating to opera: operatic music.
- operator — a person who operates a machine, apparatus, or the like: a telegraph operator.
- opercula — Botany, Zoology. a part or organ serving as a lid or cover, as a covering flap on a seed vessel.
- operetta — a short opera, usually of a light and amusing character.
- opheltes — the son of King Lycurgus of Nemea who was killed in infancy by a serpent and in whose memory the Nemean games were held.
- ophidian — belonging or pertaining to the suborder Ophidia (Serpentes), comprising the snakes.
- ophidiid — any fish of the family Ophidiidae, comprising the cusk-eels.
- ophidism — Poisoning by snake venom.
- opificer — someone who makes something; a craftsman
- opinable — thinkable or able to be an opinion
- opinicus — a heraldic monster having the head, neck, and wings of an eagle, the body of a lion, and the tail of a bear.
- opinions — Plural form of opinion.
- opiumism — the addictive use of opium as a stimulant or intoxicant.
- opopanax — (obsolete) A gum resin obtained from the root of Opopanax chironium, formerly used in medicine.
- opossums — Plural form of opossum.
- oppidans — Plural form of oppidan.
- oppilant — blocking, hindering, or obstructing
On this page, we collect all 8-letter words starting with OP. It’s easy to find right word with a certain length. It is the easiest way to find 8-letter word that beginning with OP to use in Scrabble or Crossword puzzles.