Definition of embryo in English:
noun (plural embryos)
1An unborn or unhatched offspring in the process of development.
- No one has yet converted a single blastomere from an eight-cell embryo into a stem cell line.
- The most common mutant phenotype was an embryo with a polar body near one end and the development of one or two spindles in the middle.
- Double fertilization of egg cell and central cell initiates development of the diploid embryo and the triploid endosperm, respectively.
1.1An unborn human baby, especially in the first eight weeks from conception, after implantation but before all the organs are developed. Compare with fetus.
- They worry that people will be tested against their will and that clinicians will even test embryos and fetuses.
- If you've got concerns about abortion, morally or ethically or whatever, if the embryo has implanted in the uterus, emergency contraception won't work.
- The zygote divides again and again as it grows in the female's uterus, maturing over the course of the pregnancy into an embryo, a fetus, and finally a newborn baby.
2 Botany The part of a seed that develops into a plant, consisting (in the mature embryo of a higher plant) of a plumule, a radicle, and one or two cotyledons.
- During the autocatalytic cycle of growth and reproduction of higher plants, the embryo in the seed grows, under suitable conditions, to form a plant with leaves and roots.
- The embryo matures and the seed accumulates storage products, acquires desiccation tolerance, and loses water.
- Another type of apomictic development has been reported to occur in the gymnosperm Cupressus dupreziana, where embryos develop from unreduced pollen grains.
3A thing at a rudimentary stage that shows potential for development: a simple commodity economy is merely the embryo of a capitalist economy
- At a rudimentary stage with the potential for further development.Example sentences
- The government has fiercely denied opposition claims that it has created an army in embryo, without parliament's consent.
- To Tocqueville, this was popular sovereignty in embryo.
- We may think we've missed it, but as Smith talks us through her ideas, which are presented with great fluency and wit, her thesis takes shape and, in embryo at least, is persuasive.
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