See Also: test tube(medicine)
test tube(dictionary)
test-tube(dictionary)
test-tube baby(medicine)
germ tube test(medicine)
test-tube baby(dictionary)
geode(medicine)
geode(encyclopedia)
Geode(health)
geode(dictionary)

test-tube baby (oh) and geode (sh)


test-tube baby (oh)



n [C]
a baby that develops from an egg removed from a woman's body, that is then put back inside the woman to continue developing

geode (sh)




Hollow mineral body found in limestones and some shales, commonly a slightly flattened globe 1-12 in.

(2.5-30 cm) in diameter and containing a chalcedony layer surrounding an inner lining of crystals. The hollow interior often is nearly filled with inward-projecting crystals, new layers growing on top of old. The crystals are often of quartz but sometimes of Other minerals.