English Reference

Word

projection

Phoneticspro·jec·tion

US/pɹəˈdʒɛkʃən/

UK/pɹədʒˈɛkʃən/

Definitions

01a forecast

B2

n. a calculation or guess about what will happen in the future based on information you have now.

n. an estimate or forecast of a future situation or trend based on a study of present data.

“The company's financial projection suggests that profits will double next year.”

“Economic projections for the next quarter remain cautious due to the unpredictable nature of global energy markets and shifting consumer demand.”

Academic

02visual display

B1

n. an image or film shown on a screen or wall using a piece of equipment.

n. the presentation of an image, video, or film onto a surface using a projector.

“The artist used a large projection of a forest to decorate the stage.”

“The digital projection was so crisp that the audience could see the individual brushstrokes of the original painting on the gallery wall.”

03something sticking out

C1

n. a part of something that sticks out from a surface.

n. a part that protrudes or extends outward from a main body or surface.

“The mountain climbers rested on a small rocky projection halfway up the cliff.”

“The architect designed several decorative projections along the facade to create a play of light and shadow during the afternoon hours.”

Formal

Synonyms

protrusionledgeoutcrop

Antonyms

indentationrecess

04psychology

C1 · Science

n. when you imagine that other people have the same feelings or problems that you actually have yourself.

n. the mental process by which people attribute their own unacceptable thoughts, feelings, or motives to another person.

“His constant accusations of lying were just a projection of his own guilt.”

“In clinical psychology, projection is viewed as a defense mechanism where an individual denies their own negative traits by perceiving them in others.”

Academic · Technical

05map making

C1 · Math

n. a way of showing the round Earth on a flat map.

n. a systematic transformation of the latitudes and longitudes of locations from the surface of a sphere into locations on a plane.

“The Mercator projection is a famous map that makes countries near the poles look much larger.”

“Cartographers must choose a map projection that minimizes distortion for the specific geographic area they intend to represent.”

Technical

06alchemy

C2 · Science

n. an old idea that people could turn cheap metals like lead into gold.

n. the final stage of an alchemical process, specifically the transmutation of base metals into gold or silver.

“Ancient alchemists spent their lives searching for the secret of projection.”

“The manuscript detailed the final steps of projection, claiming that a small amount of the philosopher's stone could transform lead into pure gold.”

Archaic

Synonyms

transmutation

Real-World Examples

“Notably, their projections suggest that this test could be three times more sensitive than existing or future particle accelerator–based experiments.”
Phys.org · 16 Aug 2026
“The new “AI Ring” involves a set of constantly shifting projections, behind which the singers stand – sometimes invisible and all wearing the same costume.”
The Guardian · 10 Aug 2026

Etymology

From either the Middle French projection or its etymon, the Classical Latin prōiectiō (stem: prōiectiōn-), from prōiciō, equivalent to project + -ion. Compare the Modern French projection, the German Projektion, and the Italian proiezione.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

projectNounprojectionNounprojectorNoun

Domains

GrammarMathematicsPhotographyPsychology

This entry

Level
C1 · Advanced
Frequency
Frequent
Updated

Scan code

englishreference.com/q/projection

English Reference