plane

B2 · Upper Intermediate Countable noun Mathematics

n. a flat or level surface, especially in mathematics.

n. a flat surface on which a straight line joining any two points on it would wholly lie.

Español:plano

“The graph shows how the points move across a horizontal plane.”

“The architect's drawing represented the building's facade as a series of intersecting vertical planes that created a sense of depth.”

C1 · Advanced Countable noun Formal

n. a particular level of thought, existence, or development.

n. a level of existence, consciousness, or development, often used in philosophical or spiritual contexts.

“The two scientists were debating on a completely different intellectual plane.”

“The composer claimed that his latest symphony was intended to transport the listener to a higher spiritual plane through its complex harmonies.”

B2 · Upper Intermediate Countable noun

n. a tool with a blade used to make wood surfaces smooth.

n. a tool used for smoothing or shaping wood by shaving thin layers from the surface.

“He used a hand plane to smooth the rough edges of the wooden table.”

“The carpenter adjusted the blade of his block plane to ensure the shavings were thin enough to leave a glass-like finish on the oak.”

B2 · Upper Intermediate Countable noun

n. a large tree with broad leaves and bark that peels off in patches.

n. any of several large trees of the genus Platanus, characterized by maple-like leaves and exfoliating bark.

“The street was lined with old plane trees that provided plenty of shade.”

“London plane trees are particularly valued in urban environments for their ability to thrive despite high levels of air pollution.”

C1 · Advanced Technical

v. to make a piece of wood smooth using a special tool.

v. to smooth or level a wooden surface using a plane tool. Transitive — takes the wood as its object.

“You need to plane the bottom of the door so it doesn't rub on the carpet.”

“After the timber had dried sufficiently, the craftsman began to plane the boards to a uniform thickness for the cabinet doors.”

C2 · Proficiency Nautical Technical

v. to move fast enough in a boat that the front lifts out of the water.

v. to move over the surface of water at high speed, such that the hull is supported by hydrodynamic lift rather than buoyancy.

Español:planear

“The small motorboat began to plane as it gained speed across the lake.”

“The hull was specifically designed to plane at lower speeds, significantly reducing drag and improving fuel efficiency during coastal transit.”

C1 · Advanced Mathematics Technical

adj. completely flat or level.

adj. relating to or being a flat surface; two-dimensional in nature.

Español:plano

“The teacher asked us to calculate the area of a plane figure.”

“The study of plane geometry focuses on the properties of shapes that exist within a single, flat dimension.”