What does clon mean?
Clon is a variant spelling of the far more familiar word 'clone,' denoting an organism or group of cells produced asexually from a single ancestor and therefore genetically identical to it. By extension, it can refer to any exact copy of a thing. The spelling appears chiefly in scientific writing, where the related adjective 'clonal' remains standard — as in 'a clonal population of cells.' In ordinary usage, however, 'clone' has almost entirely displaced 'clon,' so encountering the shorter spelling usually signals either older text or a specialized biological context. Like its more common twin, the word carries connotations of perfect duplication, whether of living tissue or, metaphorically, of people and products that seem indistinguishable from one another. For readers, 'clon' is best understood not as a separate word but as a historical and technical alternate form of 'clone,' useful to recognize but rarely appropriate to write.
nounA less common variant spelling of 'clone': an organism or cell produced asexually from a single ancestor, genetically identical to it; by extension, an identical copy of something.
- An organism or group of cells produced asexually from a single ancestor, genetically identical to it.
- By extension, an exact copy or duplicate of something.
"The laboratory raised the clon from a single parent cell."
"The researchers isolated a single bacterial clon for further study."
"Every plant in the row was a clon of the same parent stock."
Regular plural formation; increasingly rare, as the plural 'clones' is now strongly preferred.
"All the clons descended from that one parent cell were genetically identical."
Before 'Dolly the sheep' made 'clone' a household word, scientists were already writing about 'clons' — and that older spelling still lives on inside words like 'clonal' today.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of clon
The word derives ultimately from the Greek 'klōn,' meaning a twig or slip used for propagation, reflecting how new plants can be grown from cuttings of a parent. It entered scientific English in the early twentieth century as biologists sought a precise term for organisms reproduced asexually from a single ancestor. The spelling 'clon' was common in early usage, and it survives most visibly today in the adjective 'clonal' and related scientific vocabulary, even though 'clone' has become the dominant form elsewhere.
How clon is actually used
'Clon' is markedly less common than 'clone' in everyday English. It persists mainly in scientific literature, particularly in derived adjectival form ('clonal'), and may strike general readers as archaic or technical. Most style guides prefer 'clone' in all contexts.
Easily confused with clon
'Clone' is the standard modern spelling for both the biological organism and the act of copying, while 'clon' is an older or technical variant spelling that also survives in derived forms like 'clonal'.
'Clan' refers to a family or kinship group, whereas 'clon' denotes a genetically identical copy of an organism or cell.