embryo phoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticphonetic noun [C] 

1. an animal that is developing either in its mother's womb or in an egg, or a plant that is developing in a 
    seed 

    embryo research/experimentation
    a seed embryo
    Between the eighth week of development and birth a human embryo is called a foetus.
    A human embryo up to the age of 14 days is sometimes called a pre-embryo.
    The department's plans for enlargement are still in embryo (=haven't been put into action yet) because 
    of the university's spending cuts.

embryonic phoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic adjective 

    The embryonic phase begins when the egg is fertilized and ends when the animal hatches or is born.
    The project is still in its embryonic (=developing) stage at the moment. [FIGURATIVE]

embryology phoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic noun [U] 

1. Embryology is the study of animal development between the fertilization of the egg and the time when  
    the animal is born or breaks out of its shell. 

embryologist phoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhonetic PhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticPhoneticphonetic noun [C] 

Are embryologists likely to agree to a lowering of the age limit of embryos used for research?

This page is cited from Cambridge Dictionaries Online. For the original, please visit
http://dictionary.cambridge.org/define.asp?key=embryo*1+0