Definition of phase - Reverso English Dictionary
Noun
1.
developmentdistinct period in a process of change or development
- The project entered a new phase of development..
2.
chemistryTECH. distinct state of matter in a systemTECH.
- Water can exist in a liquid phase.
3.
physicsTECH. point in a cycle measured as an angleTECH.
- The wave is at a 90-degree phase.
4.
astronomyRare appearance of a celestial body in a cycleRare
- The moon is in its full phase tonight.
5.
rugbyRare UK period of play between breakdownsRare UK
- The team scored during a long phase.
6.
technologyTECH. power-carrying conductor in electrical systemsTECH.
- Each phase carries a different current.
7.
zoologyTECH. color variation in certain speciesTECH.
- The bird's phase changes with the season.
Verb
1.
gradual changetr. begin or discontinue something gradually over timetr.
- The company will phase out the old model.
2.
synchronizationtr. TECH. adjust the timing oftr. TECH.
- The technician phased the engines to work simultaneously..
3.
science fictionintr. TECH. pass into or through a solid objectintr. TECH.
- The character phased through the wall effortlessly.
Images of phase

appearance of a celestial body in a cycle
Expressions with phase
💡 Discover popular phrases, idioms, collocations, or phrasal verbs. Click any expression to learn more, listen to its pronunciation, or save it to your favorites.
discontinue a practice or service slowly
They will phase out the outdated policy over several months.
reduce something gradually
The company decided to phase down its use of plastic packaging..
introduce or implement something gradually in planned steps
The new system will phase in over six months.
undergo a short-lived behavior or interest
She went through a phase of collecting stamps.
period after difficulty when conditions slowly return toward normal state
During the recovery phase, the economy began to grow and unemployment decreased.
stage in a process when something is checked to see if it works
The new app is in its testing phase before public release.
period of getting to know someone romantically
They are in the talking phase and text every day.
at the same stage in a process
The two projects are progressing in phase.
gradual ending of a product, service, process, or policy
The phase-out of coal plants will take several years.
involving two distinct stages
The two-phase process was efficient for material synthesis..
stage in a process when a resource is used for maximum gain
During the exploitation phase, the new software platform must deliver consistent business value.
early stage when a new product or project is first introduced
Marketing plans must be ready before the launch phase of the game.
period of time when someone or something is actively gaining new knowledge or skills
During the learning phase, productivity may drop as employees adjust to the software.
stage when kids notice gender differences
During the phallic phase, children become curious about gender differences.
gradual transition from full-time work to retirement
The company offers phase retirement to senior employees.
early period when a new business begins operating and developing its product
Many companies burn through cash quickly during the startup phase.
not synchronized in operation or function
The lights were out of phase, confusing the drivers.
appearance of the Moon as its sunlit portion changes over time
The crescent was my favorite phase of the Moon to photograph.
time period in a process used to get ready for later steps
The project entered the preparation phase before construction could begin.
early short stage of a disease or condition with strongest signs
The patient is in the acute phase of the infection.
stage of a project when planned tasks are actively carried out
During the execution phase, the team built and tested all system components.
time in menstrual cycle when fertilization is likely
She tracked her fertile phase to plan for pregnancy.
state of matter where substances exist as gas
Water vapor is water in its gaseous phase..
any cyclic appearance of the Moon from Earth
The full moon is a well-known lunar phase.
Origin of phase
Greek, phasis (appearance)
Terms with phase included in their meaning
💡 A powerful way to uncover related words, idioms, and expressions linked by the same idea — and explore meaning beyond exact word matches.
astronomy
the phase of the moon when fully illuminated
final phase
toward the end of a period
lunar phase
phase when the moon is fully illuminated
culture phase
historical period or era
development phase
period or step in development
start phase
time considered early in a schedule or sequence
education
concluding phase of an academic term
time period
time when this lunar phase occurs
emotion
initial phase of enthusiasm and positivity in a new project or role
development
at the beginning phase of development or progress
work
transition to a new task or phase
process
progress to a further phase in a process
life
new phase or period in a story or situation
historical phase
distinct phase in history or a person's life
adventure
begin a new phase or adventure
experience
have shared a common experience or phase
transition
transitioning to a new topic or phase
subsequent phase
in a subsequent phase
growth phase
initial stage of development
astronomy
moon phase with a small illuminated arc
general development
initial phase of growth or development
terminal phase
period before death
game phase
final stage of a game where few pieces or options remain
personal timeline
notable stretch or phase within someone’s years
Examples of phase in a sentence
Teenagers often go through a rebellious phase. Ice represents the solid phase of water. The experiment demonstrated the transition between each phase. The phase of the signal was carefully measured. Engineers adjusted the phase to optimize performance. The crescent phase of Venus was visible through the telescope.
During the new phase, the moon is not visible from Earth. The coach analyzed each phase to improve strategy. Players must adapt quickly during each phase. The technician measured the voltage in each phase. A fault in one phase can disrupt the system. The butterfly's phase is more vibrant in summer. Different phases of the animal help it camouflage. They plan to phase in the new system slowly. The government will phase out the subsidies gradually. The engineer phased the lights to flash in sequence. They phased the project stages to ensure smooth progress. She phased through the locked door with ease. The alien could phase through any barrier.
View all translations of phase
Click below to see the appropriate translations facing each meaning.
- French:phase, introduire progressivement, ...
- German:Phase, schrittweise einführen, ...
- Italian:fase, introdurre gradualmente, ...
- Spanish:fase, eliminar gradualmente, ...
- Portuguese:fase, descontinuar gradualmente, ...
- Chinese:阶段, 逐步引入, ...
- Japanese:段階, 段階的に廃止する, ...
- Arabic:مَرْحَلَة, أَوْقَفَ تَدْرِيجِيًّا, ...
- Hebrew:שָׁלָב, לְהַפְסִיק בְּהַדְרָגָה, ...
- Russian:этап, постепенно прекращать, ...
- Ukrainian:фаза, припиняти, ...
- Hindi:चरण, धीरे-धीरे बंद करना, ...
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