Definition, Meaning, Synonyms & Anagrams | English word OPEN

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Definitions of OPEN

1. The act of something being opened, such as an e-mail message.
2. (mathematics, logic, of a formula) Having a free variable.
3. (mathematics, topology, of a set) Which is part of a predefined collection of subsets of , that defines a topological space on .
4. (music, stringed instruments) Of a note, played without pressing the string against the fingerboard.
5. (wind instruments) Of a note, played without closing any finger-hole, key or valve.
6. (phonetics) Uttered, as a consonant, with the oral passage simply narrowed without closure.
7. (computing, used before "code") Source code of a computer program that is not within the text of a macro being generated.
8. (of a multi-word compound) Having component words separated by spaces, as opposed to being joined together or hyphenated; for example, time slot as opposed to timeslot or time-slot.
9. (obsolete) To disclose; to reveal; to interpret; to explain.
10. (electronics) A defect in an electrical circuit preventing current from flowing.
11. (in the definite) Open or unobstructed space; an exposed location.
12. (in the definite) Public knowledge or scrutiny; full view.
13. (usually, not comparable) Physically unobstructed, uncovered, etc.
14. Able to be used or interacted with in some way.
15. Not hidden or restricted.
16. Not completed or finalised.
17. (phonetics, sometimes, with comparative opener) Uttered with a relatively wide opening of the articulating organs; said of vowels.
18. (especially, sports) Of a club, bat or other hitting implement, angled upwards and/or (for a right-hander) clockwise of straight.
19. To make or become physically unobstructed, uncovered, etc.
20. (transitive, intransitive) To cause or allow a gap to form or widen.
21. To make or become available for use or interaction.
22. To start or begin.
23. (transitive) To make an open relationship or marriage, i.e., with possible additional relationships.
24. A sports event in which anybody can compete, especially or originally irrespective of amateur or professional status.

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Examples of Using OPEN in a Sentence

• In Modern Greek, vowel length has been lost, and all instances of alpha simply represent the open front unrounded vowel.
• The traditional etymology is from the verb aperire, "to open," in allusion to its being the season when trees and flowers begin to "open," which is supported by comparison with the modern Greek use of άνοιξη (ánixi) (opening) for spring.
• Historically, the amateur was considered to be the ideal balance between pure intent, open mind, and the interest or passion for a subject.
• The area of a plane region or plane area refers to the area of a shape or planar lamina, while surface area refers to the area of an open surface or the boundary of a three-dimensional object.
• Transport in Antarctica has transformed from explorers crossing the isolated remote area of Antarctica by foot to a more open era due to human technologies enabling more convenient and faster transport, predominantly by air and water, but also by land as well.
• Now open to the public, it was built as the residence of historical novelist and poet Sir Walter Scott between 1817 and 1825.
• According to the Encyclopædia Britannica, as of 2020, the length of the Amazon remains open to interpretation and continued debate.
• He has analysed complex proprietary protocols and algorithms, to allow compatible free and open source software implementations.
• There were two pairs of aediles: the first were the "plebeian aediles" (Latin: aediles plebis) and possession of this office was limited to plebeians; the other two were "curule aediles" (Latin: aediles curules), open to both plebeians and patricians, in alternating years.
• Aeclanum was on a promontory naturally defended, to some extent, by a steep slope on the south side down to the river Calore, while the north side lay open towards the crest of the ridge where the Via Appia ran.
• AbiWord was originally started by SourceGear Corporation as the first part of a proposed AbiSuite but was adopted by open source developers after SourceGear changed its business focus and ceased development.
• ArgoUML is an UML diagramming application written in Java and released under the open source Eclipse Public License.
• He created The Open Source Definition and published the first formal announcement and manifesto of open source.
• Through hydrolysis, the enzyme lactamase breaks the β-lactam ring open, deactivating the molecule's antibacterial properties.
• Regarding energy, it is an open system, with photosynthesis capturing solar energy at a rate of around 100 terawatts.
• A Bunsen burner, named after Robert Bunsen, is a kind of ambient air gas burner used as laboratory equipment; it produces a single open gas flame, and is used for heating, sterilization, and combustion.
• Ballu tundu or ballu sardu is a traditional Sardinian folk dance which is typically danced in a closed or open circle.
• The order Carnivora is the sixth largest order of mammals, comprising at least 279 species on every major landmass and in a variety of habitats, ranging from the cold polar regions of Earth to the hyper-arid region of the Sahara Desert and the open seas.
• Cooking techniques and ingredients vary widely, from grilling food over an open fire, to using electric stoves, to baking in various types of ovens, reflecting local conditions.
• There was a short overhead conveyor system for salt from the open salt lake on Sal to the port at Pedra de Lume, and a short rail track to the pier at Santa Maria for similar purposes.

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