chordamesoderm 14 5 noun n noun • the area of mesoderm that forms the notochord
echinoderm 10 4 noun n noun • marine invertebrates with tube feet and five-part radially symmetrical bodies
ostracoderm 11 4 noun n noun • extinct fish-like jawless vertebrate having a heavily armored body; of the Paleozoic
hypoderm 8 3
No meanings yet for this word...
ectoderm 8 3 noun n noun • the outer germ layer that develops into skin and nervous tissue
germ 4 1 noun n noun • anything that provides inspiration for later work
• a small apparently simple structure (as a fertilized egg) from which new tissue can develop into a complete organism
• a minute life form (especially a disease-causing bacterium); the term is not in technical use
herm 4 1 noun n noun • a statue consisting of a squared stone pillar with a carved head (usually a bearded Hermes) on top; used in ancient Greece as a boundary marker or signpost
midterm 7 2 noun, adjective n, adj noun • the middle of the gestation period
• middle of an academic term or a political term in office
• an examination administered in the middle of an academic term
perm 4 1 verb, noun v, n noun • a series of waves in the hair made by applying heat and chemicals
• the administrative center of Perm Krai, Russia, located on the banks of the Kama River in the European part of Russia near the Ural Mountains
verb • give a permanent wave to
affirmed 8 2 verb v noun • thoroughbred that won the triple crown in 1978
confirm 7 2 verb v verb • establish or strengthen as with new evidence or facts
• strengthen or make more firm
• make more firm
• support a person for a position
• administer the rite of confirmation to
worm 4 1 noun n noun • any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae
• a person who has a nasty or unethical character undeserving of respect
• a software program capable of reproducing itself that can spread from one computer to the next over a network
• screw thread on a gear with the teeth of a worm wheel or rack
verb • to move in a twisting or contorted motion, (especially when struggling)
endoderm 8 3 noun n noun • the inner germ layer that develops into the lining of the digestive and respiratory systems
entoderm 8 3 noun n noun • the inner germ layer that develops into the lining of the digestive and respiratory systems
exoderm 7 3 noun n noun • the outer germ layer that develops into skin and nervous tissue
placoderm 9 3 noun n noun • fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws
phelloderm 10 3 noun n
No meanings yet for this word...
protoderm 9 3 noun n
No meanings yet for this word...
berm 4 1 verb, noun v, n noun • a narrow ledge or shelf typically at the top or bottom of a slope
• a narrow edge of land (usually unpaved) along the side of a road
pachyderm 9 3 noun n noun • any of various nonruminant hoofed mammals having very thick skin: elephant; rhinoceros; hippopotamus
therm 5 1 noun n noun • a unit of heat equal to 100,000 British thermal units
preterm 7 2 adjective adj noun • A premature birth or baby.
adjective • Of a premature birth or baby.
affirm 6 2 verb v verb • establish or strengthen as with new evidence or facts
• to declare or affirm solemnly and formally as true
• say yes to
bookworm 8 2 noun n noun • a person who pays more attention to formal rules and book learning than they merit
• someone who spends a great deal of time reading
earthworm 9 2 noun n noun • terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
squirm 6 1 verb v noun • the act of wiggling
verb • to move in a twisting or contorted motion, (especially when struggling)
tapeworm 8 2 noun n noun • ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates
angiosperm 10 4 noun n noun • plants having seeds in a closed ovary
blastoderm 10 3 noun n noun • a layer of cells on the inside of the blastula
ectotherm 9 3 noun, adjective n, adj noun • an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
endosperm 9 3 noun n noun • nutritive tissue surrounding the embryo within seeds of flowering plants
gymnosperm 10 3 noun n noun • plants of the class Gymnospermae having seeds not enclosed in an ovary
homeotherm 10 4 noun n noun • an animal that has a body temperature that is relatively constant and independent of the environmental temperature
homoiotherm 11 4 noun, adjective n, adj noun • an animal that has a body temperature that is relatively constant and independent of the environmental temperature
isotherm 8 3 noun n noun • (meteorology) an isogram connecting points having the same temperature at a given time
poikilotherm 12 4 noun, adjective n, adj noun • an animal whose body temperature varies with the temperature of its surroundings; any animal except birds and mammals
pteridosperm 12 4 noun, adjective n, adj noun • an extinct seed-producing fernlike plant of the order Cycadofilicales (or group Pteridospermae)
bioherm 7 3 noun n
No meanings yet for this word...
degerm 6 2 verb v
No meanings yet for this word...
deperm 6 2 verb v
No meanings yet for this word...
endotherm 9 3 noun, adjective n, adj noun • An animal that maintains a constant body temperature
epiderm 7 3 noun n
No meanings yet for this word...
eurytherm 9 3 noun n
No meanings yet for this word...
monogerm 8 3 adjective adj
No meanings yet for this word...
multigerm 9 3
No meanings yet for this word...
periderm 8 3 noun n noun • The outer layer of plant tissue comprising the phellem, phellogen and the phelloderm.
• The perisarc; the hard outer layer of hydroids and other marine animals.
stenotherm 10 3 noun n
No meanings yet for this word...
angleworm 9 3 noun n noun • terrestrial worm that burrows into and helps aerate soil; often surfaces when the ground is cool or wet; used as bait by anglers
blindworm 9 2 noun n noun • small burrowing legless European lizard with tiny eyes; popularly believed to be blind
• any of the small slender limbless burrowing wormlike amphibians of the order Gymnophiona; inhabit moist soil in tropical regions
bloodworm 9 2 noun n noun • a segmented marine worm with bright red body; often used for bait
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