Perforation
[pur-fuh-rey-shuh n] /ˌpɜr fəˈreɪ ʃən/
noun
1.
a hole, or one of a series of holes, bored or punched through something, as those between individual postage stamps of a sheet to facilitate separation.
2.
a hole made or passing through a thing.
3.
the act of .
4.
the condition or state of being .
/ˌpɜːfəˈreɪʃən/
noun
1.
the act of perforating or the state of being perforated
2.
a hole or holes made in something
3.
n.
early 15c., “hole made through something;” mid-15c., “action of perforating,” from Middle French perforation or directly from Late Latin perforationem (nominative perforatio), noun of action from past participle stem of Latin perforare “bore or pierce through,” from per- “through” (see per) + forare “to pierce” (see bore (v.1)).
perforation per·fo·ra·tion (pûr’fə-rā’shən)
n.
Read Also:
- Perforation-gauge
noun, Philately. 1. a marked ruler used to measure the number of perforations per unit length along the borders of a stamp. noun 1. a graduated scale for measuring perforations and roulettes of postage stamps
- Perforce
[per-fawrs, -fohrs] /pərˈfɔrs, -ˈfoʊrs/ adverb 1. of necessity; necessarily; by force of circumstance: The story must perforce be true. /pəˈfɔːs/ adverb 1. by necessity; unavoidably adv. early 14c., par force, from Old French par force (12c.), literally “by force” (see force). With Latin per substituted 17c. for French cognate par.
- Perforin
[pur-fer-in] /ˈpɜr fər ɪn/ noun, Biochemistry. 1. a protein produced by killer cells of the immune system that causes disintegration of targeted cells by forming pores in their membranes.
- Perform
[per-fawrm] /pərˈfɔrm/ verb (used with object) 1. to carry out; execute; do: to perform miracles. 2. to go through or execute in the proper, customary, or established manner: to perform the marriage ceremony. 3. to carry into effect; fulfill: Perform what you promise. 4. to act (a play, part, etc.), as on the stage, in […]
- Performance
[per-fawr-muh ns] /pərˈfɔr məns/ noun 1. a musical, dramatic, or other entertainment presented before an audience. 2. the act of a ceremony, play, piece of music, etc. 3. the execution or accomplishment of work, acts, feats, etc. 4. a particular action, deed, or proceeding. 5. an action or proceeding of an unusual or spectacular kind: […]