different between barrier vs septum

English

Etymology

From Middle English barryer, barrere, barry?er, from Old French barriere (compare French barrière), from Old French barre (“bar”).

Pronunciation

• (UK) IPA^(key): /?bæ?i.?(?)/
• (US, Mary–marry–merry distinction) IPA^(key): /?bæ?i.??/
• (US, Mary–marry–merry merger) IPA^(key): /?b??i.??/
• Rhymes: -æ?i?(?)

Noun

barrier (plural barriers)

1. A structure that bars passage.

   The bus went through a railway barrier and was hit by a train.

   The bomber had passed through one checkpoint before blowing himself up at a second barrier.

2. An obstacle or impediment.

   Even a small fee can be a barrier for some students.
3. A boundary or limit.

   Few marathon runners break the three-hour time barrier.

1. (grammar) A node (in government and binding theory) said to intervene between other nodes A and B if it is a potential governor for B, c-commands B, and does not c-command A.
2. (physiology) A separation between two areas of the body where specialized cells allow the entry of certain substances but prevent the entry of others.
3. (historical) The lists in a tournament.
4. (historical, in the plural) A martial exercise of the 15th and 16th centuries.

Synonyms

• See also Thesaurus:hindrance

Derived terms

Translations

Verb

barrier (third-person singular simple present barriers, present participle barriering, simple past and past participle barriered)

1. (transitive) To block or obstruct with a barrier.

   Synonym: bar

English

Alternative forms

• saeptum, sæptum (obsolete)

Etymology

Borrowed from Latin s?ptum (“enclosure, wall, fence”).

Pronunciation

• IPA^(key): /?s?p.t?m/
• Rhymes: -?pt?m

Noun

septum (plural septa)

1. (biology) A wall separating two cavities; a partition.

   Synonym: dissepiment

   1. (anatomy) Ellipsis of nasal septum: the cartilaginous center wall of the nose separating the two nostrils.
   2. (anatomy) Either of the two walls that separate the atria or ventricles of the heart into left and right chambers.
   3. (botany) A partition that separates the cells of a fruit.
   4. (mycology) A partition that separates the cells of a (septated) fungus.
   5. (zoology) One of the radial calcareous plates of a coral.
   6. (zoology) One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.
   7. (zoology) One of the transverse partitions dividing the body cavity of an annelid.
2. (colloquial) Ellipsis of septum ring or septum piercing.

Hyponyms

• nasal septum
• interventricular septum
• septum pellucidum

Derived terms

Translations

References

• “septum”, in Lexico, Dictionary.com; Oxford University Press, 2019–present.
• “septum”, in Merriam–Webster Online Dictionary, (Please provide a date or year).

Anagrams

• spetum

Latin

Pronunciation

• (Classical) IPA^(key): /?se?p.tum/, [?s?e?pt????]
• (Ecclesiastical) IPA^(key): /?sep.tum/, [?s?pt?um]

Noun

s?ptum n (genitive s?pt?); second declension

1. Alternative form of saeptum.

Descendants

? English: septum