verb[WITH OBJECT]usually as adjective preformed
Form (something) beforehand.‘a preformed pool’
- ‘Organs developed in this way are referred to as preformed organs.’
- ‘Nitrogen is more soluble than helium and any preformed bubbles will quickly absorb nitrogen.’
- ‘Preformed ponds and pond kits are two perfect ways to accent your backyard.’
- ‘Short and medium shoots were self-terminated and had only preformed nodes.’
We take a look at several popular, though confusing, punctuation marks.