noun, verb — 7 senses
/ˈsʌkʃən/
Etymology From Latin sūctiō, sūctiōnem (whence -ion), attested since Late Latin and derived from sūctus, past participle of sūgō (“to suck”). Attested in English since the early 17th century.
Natural sciences, Physical sciences, Physics Usually A force which pushes matter from one space into another because the pressure inside the second space is lower than the pressure in the first.
Natural sciences, Physical sciences, Physics Usually A force holding two objects together because the pressure in the space between the items is lower than the pressure outside that space.
Usually The process of creating an imbalance in pressure to draw matter from one place to another.
Informal, Usually influence; "pull".
Etymology From Latin sūctiō, sūctiōnem (whence -ion), attested since Late Latin and derived from sūctus, past participle of sūgō (“to suck”). Attested in English since the early 17th century.
To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
To draw out the contents of a space.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.