lase
To use a laser beam on, as for cuttingTo use a laser beam on, as for cutting.
Meaning
3 senses(transitive)To use a laser beam on, as for cutting.
The surgeon lased the elongated soft palate, cutting off the excess tissue and stopping the blood flow in one swipe.
The physical chemist lased the atoms as they passed between the electrodes to study their motion.
(transitive)To use a laser beam on, as for targeting or rangefinding.
The commander lased the target across the valley.
(intransitive)To operate as a laser; to release coherent light due to stimulation.
Once enough of the gas particles are in a higher energy state, they will begin to lase and give off a coherent beam.
Origin
Back-formation from laser, as if removing -er. Compare mase.Back-formation from laser, as if removing -er. Compare mase.
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Forms
lases, lasing, lased, lasedLessons for this word
3 lessons- A1Present simple — Because it is a verb
- A1Past simple, regular verbs — Because of its past form
- A2Present perfect: introduction — Because of its past participle