liner

B2 · Upper Intermediate Countable noun

n. a layer of material placed inside something to protect it or keep it clean.

n. a removable or permanent internal lining designed to protect the outer structure or contain contents.

日本語:裏地、ライナー※

“You should put a plastic liner in the bin to make it easier to empty.”

“The technician replaced the cylinder liner to ensure the internal combustion engine maintained optimal compression during operation.”

B1 · Intermediate Uncountable noun

n. a type of makeup used to draw a line around the eyes or lips.

n. a cosmetic preparation, such as eyeliner or lipliner, applied to define the contours of the eyes or mouth.

“She used a black liner to make her eyes look more dramatic for the party.”

“The makeup artist recommended a waterproof liner to prevent smudging during the long outdoor photo shoot.”

B2 · Upper Intermediate Countable noun

n. used with a number to describe how many lines a joke or a story has.

n. used in combination to denote an item, typically a joke or a written piece, consisting of a specified number of lines.

“He is famous for his funny one-liners that make everyone laugh instantly.”

“The comedian's set was comprised entirely of rapid-fire one-liners, leaving the audience little time to recover between jokes.”

C1 · Advanced Countable noun Sports American English

n. a ball that is hit very hard and low in a straight line.

n. a batted ball that travels low and fast in a line nearly parallel to the ground.

“The batter hit a sharp liner right to the shortstop.”

“The pitcher narrowly avoided the liner, which screamed past his ear at over a hundred miles per hour.”