spore
/spɔː
/noun
1 Biology A minute, typically one-celled, reproductive unit capable of giving rise to a new individual without sexual fusion, characteristic of lower plants, fungi, and protozoans.Grain mold fungi also produce spores capable of aerial dispersal in the field as well as within a grain storage bin....
- Bunt fungi survive as resting spores on contaminated seed.
- Many questions concerning toxicity and allergenicity have been raised about corn contaminated with the spores of this fungus.
1.1 Botany (In a plant exhibiting alternation of generations) a haploid reproductive cell which gives rise to a gametophyte.When contaminated seeds are planted, bunt spores germinate in the presence of moisture and infect the wheat seedlings....
- After landing on a host plant, spores germinate and produce a germ tube that grows across the leaf surface.
- A spore can infect a plant and cause a new lesion which will produce spores in 7-10 days.
1.2 Microbiology (In bacteria) a rounded resistant form adopted by a bacterial cell in adverse conditions.In the production of dry milk these bacterial spores are able to survive the spray-drying process....
- A concentration of just 5 parts per million was adequate to eradicate 50,000 spores under laboratory conditions.
- While the spores are not extremely long lived, they could survive this form of movement.
Origin
Mid 19th century: from modern Latin spora, from Greek spora 'sowing, seed', from speirein 'to sow'.
Rhymes
- railwaydom
- railway edition
- railway engine
- railway guide
- railway hotel
- railwaying
- Railway Institute
- railway label
- railwayless
- railway letter
- Railway Library
- railwayman
- railway mania
- railway novel
- railway pass
- railway rug
- railway speed
- railway spine
- railway station
- railway stock
- railway switch
- railway time
- railway warrant
- railway whistle
- railway works