opening vs porthole
porthole vs openingopening and porthole both are nouns.
opening is an adjective but porthole is not an adjective.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| opening | Yes | Yes | No | No |
| porthole | Yes | No | No | No |
As nouns,
porthole is a hyponym of
opening; that is, porthole is a
word with a more specific, narrower meaning than
opening:
- opening: a vacant or unobstructed space that is man-made
- porthole: an opening (in a wall or ship or armored vehicle) for firing through
Other hyponyms of opening include
aperture, bell, breech, rear of barrel, rear of tube, fly, fly front, crack, gap, gun muzzle, muzzle, hole, inlet, intake, interstice, fenestella, lunette, mouth, neck, neck opening, pass-through, embrasure, port, slit, spout, throat, grille, lattice, wicket, window, window.
| opening (noun) | porthole (noun) |
|---|---|
| a recognized sequence of moves at the beginning of a game of chess | a window in a ship or airplane |
| the act of opening something | an opening (in a wall or ship or armored vehicle) for firing through |
| becoming open or being made open | |
| the first of a series of actions | |
| a vacant or unobstructed space that is man-made | |
| an entrance equipped with a hatch; especially a passageway between decks of a ship | |
| an aperture or hole that opens into a bodily cavity | |
| a possible alternative | |
| the initial part of the introduction | |
| the first performance (as of a theatrical production) | |
| a ceremony accompanying the start of some enterprise | |
| an open or empty space in or between things | |
| opportunity especially for employment or promotion |
| opening (adjective) | porthole (adjective) |
|---|---|
| first or beginning |
Words related to "opening"
- Earth's surface
- Ranvier's nodes
- alternative
- anus
- aortic orifice
- aperture
- artefact
- artifact
- beginning
- bell
- blastopore
- breach
- breech
- cardia
- ceremonial
- ceremonial occasion
- ceremony
- cervix
- cervix uteri
- chance
- change of integrity
- chasm
- chess
- chess game
- chess opening
- choice
- cleft
- closing
- commencement
- crack
- crevice
- curtain raiser
- curtain raising
- cut
- cutting
- diastema
- embrasure
- entrance
- entranceway
- entree
- entry
- entryway
- escape hatch
- external orifice
- fenestella
- fenestra
- first
- first base
- first step
- fissure
- fly
- fly front
- fontanel
- fontanelle
- foramen
- gap
- grille
- gun muzzle
- hatch
- hatchway
- hiatus
- hole
- inaugural
- initiative
- initiatory
- inlet
- intake
- interstice
- introduction
- introductory
- introitus
- lattice
- lunette
- maiden
- motility
- motion
- mouth
- move
- movement
- muzzle
- naris
- neck
- neck opening
- nodes of Ranvier
- observance
- open
- opening move
- opening night
- opportunity
- option
- orifice
- os
- pass-through
- passage
- passageway
- peace initiative
- port
- porta
- porta hepatis
- porthole
- possibility
- possible
- possible action
- pylorus
- rear of barrel
- rear of tube
- rent
- rift
- rima
- rip
- salutation
- scissure
- scuttle
- sequence
- slit
- snag
- soft spot
- space
- spiracle
- split
- spout
- start
- starting
- stoma
- succession
- surface
- tear
- teaser
- throat
- urethral orifice
- uterine cervix
- vent
- wicket
- window
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