Term: megaspore: larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte
Broader: spore: a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion | Unrelated: extropy: the prediction that human intelligence and technology will enable life to expand in an orderly way throughout the entire universe
Broader: spore: a small usually single-celled asexual reproductive body produced by many nonflowering plants and fungi and some bacteria and protozoans and that are capable of developing into a new individual without sexual fusion | Unrelated: estimated tax: income tax paid periodically on income that is not subject to withholding taxes; based on the taxpayer's predicted tax liability