Matching Words
31354 ResultsBelow are the words that matched your query.
Psilotatae
- noun - whisk ferns; comprising the family Psilotaceae or Psilotatae: vascular plants with no roots, partial if any leaf differentiation, and rudimentary spore sacs
Psittacula
- noun - a genus of Psittacidae
Psocoptera
- noun - an order of insects: includes booklice and bark-lice
Psorosperm
- - A minute parasite, usually the young of Gregarin
Psychiatry
- noun - the branch of medicine dealing with the diagnosis and treatment of mental disorders
Psychodids
- noun - a fly of the family Psychodidae
Psychology
- noun - the science of mental life
Psychopath
- noun - someone with a sociopathic personality; a person with an antisocial personality disorder (`psychopath' was once widely used but has now been superseded by `sociopath')