rh

1. 1.

   a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia

   Synonymsrhesus factorRh factor

   Broaderantigen
2. 2.

   a white hard metallic element that is one of the platinum group and is found in platinum ores; used in alloys with platinum

   Synonymsrhodiumatomic number 45

   Broadermetallic element
3. 3.

   any of several hormones produced in the hypothalamus and carried by a vein to the anterior pituitary gland where they stimulate the release of anterior pituitary hormones; each of these hormones causes the anterior pituitary to secrete a specific hormone

   Synonymsreleasing hormonereleasing factorhypothalamic releasing hormonehypothalamic releasing factor

   Broaderhormone

Other forms of rh

plural

rhs·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about rh

What does rh mean?

rh means "a blood group antigen possessed by Rh-positive people; if an Rh-negative person receives a blood transfusion from an Rh-positive person it can result in hemolysis and anemia". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in rh?

rh has 1 syllable: rh.

What is another word for rh?

Close synonyms include rhesus factor, Rh factor, rhodium, atomic number 45, releasing hormone. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is rh a common word?

rh is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.