linac
UK[ˈlɪnæk]US[ˈlɪnæk]
n
A type of particle accelerator in which charged particles are propelled in a straight line by alternating electric fields along a linear tube.
Morpheme Breakdown
lin
ac
lin
line
ac
accelerator
Etymology
The word 'linac' is a modern English portmanteau, a clipped compound formed in the mid-20th century. It combines the first syllable of 'linear' with the first syllable of 'accelerator' to create a concise technical term. The logic is transparently descriptive: a 'linear accelerator' is a machine ('accelerator') that operates in a straight ('linear') path, as opposed to a circular one like a cyclotron. This formation follows a common pattern in scientific jargon for creating efficient, memorable terms from longer phrases.
Analysis
Structure: lin (line) + ac (accelerator)
'lin' is a clipping of the English word 'linear', derived from Latin 'linearis' (pertaining to a line). 'ac' is a clipping of the English word 'accelerator', derived from Latin 'accelerare' (to hasten). In this compound, 'lin' describes the physical form, and 'ac' describes the function.
Examples
The hospital uses a modern linac for precise radiation therapy in cancer treatment.
Researchers upgraded the particle linac to achieve higher collision energies.
The basic principle of a linac involves using radio waves to boost particles along a straight vacuum tube.