sliding

B2 · Upper Intermediate

adj. changing according to a set of rules or a scale.

adj. variable according to a particular scale or set of conditions; often used in financial or administrative contexts.

“The clinic uses a sliding scale for fees based on how much you earn.”

“The membership fees operate on a sliding scale, ensuring that students and retirees can access the facilities at a significantly reduced rate.”

B1 · Intermediate Uncountable noun

n. the smooth movement of something across a surface.

n. the action or instance of gliding or slipping along a surface.

“The sliding of the heavy crates across the floor made a loud noise.”

“The constant sliding of the tectonic plates eventually leads to significant seismic activity along the fault line.”

A2 · Elementary

v. the -ing form of the verb 'slide', used for actions happening now.

v. the present participle of 'slide', used in continuous tenses or as a gerund.

“The children were sliding down the icy hill on their sleds.”

“By sliding the cursor across the timeline, the editor was able to locate the exact frame where the lighting changed.”