What's the difference between diaster and piaster?
Diaster
Definition:
(n.) A double star; -- applied to the nucleus of a cell, when, during cell division, the loops of the nuclear network separate into two groups, preparatory to the formation of two daughter nuclei. See Karyokinesis.
Example Sentences:
(1) We infer that elevated temperature induces unique changes in the microtubules of the pre-prophase sperm aster-diaster, resulting in cytoplasmic rotation and the spiral configuration of microtubules.
(2) Diaster medicine represents a new, multidisciplinary and comprehensive approach.
(3) In our study, these structures did not occur at culture temperatures below 16 degrees C. When the culture temperature was elevated, however, "spiral asters" routinely appeared during a susceptible period before mitotic prophase when the sperm aster-diaster normally exists.
(4) The author describes a training program in diaster-relief agencies.
(5) In one of the seminal works on visual agnosia, Adler (1944, 1950) presented the case of a 22-yr-old woman who sustained carbon monoxide cerebral toxicity in the Cocoanut Grove nightclub diaster of 1942.
Piaster
Definition:
(n.) A silver coin of Spain and various other countries. See Peso. The Spanish piaster (commonly called peso, or peso duro) is of about the value of the American dollar. The Italian piaster, or scudo, was worth from 80 to 100 cents. The Turkish and Egyptian piasters are now worth about four and a half cents.