Definition of coleoptile in English:
A sheath protecting a young shoot tip in a grass or cereal.
- Samples of roots, shoots, coleoptiles, leaves, whole seeds, endosperm, and embryos were taken at the times indicated in the Results.
- The coleoptile and all prior sheaths surrounding the fifth leaf were removed down to the seed.
- However, in coleoptiles, hypocotyls and epicotyls, gravity can be perceived along the whole length of the responding region and there is no such need to postulate any longitudinal transfer of a message.
mid 19th century: from Greek koleon 'sheath' + ptilon 'feather'.
Definition of coleoptile in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Canada
Most popular in Australia
Most popular in Pakistan