preform


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pre·form

 (prē′fôrm′)
tr.v. pre·formed, pre·form·ing, pre·forms
1. To shape or form beforehand.
2. To determine the shape or form of beforehand.
n.
1. An object that has been subjected to preliminary, usually incomplete shaping or molding before undergoing complete or final processing.
2. Linguistics A reconstructed ancestral word or form.

preform

(ˈpriːˈfɔːm)
vb (tr)
to shape, construct, or bring into existence in advance

preform


Past participle: preformed
Gerund: preforming

Imperative
preform
preform
Present
I preform
you preform
he/she/it preforms
we preform
you preform
they preform
Preterite
I preformed
you preformed
he/she/it preformed
we preformed
you preformed
they preformed
Present Continuous
I am preforming
you are preforming
he/she/it is preforming
we are preforming
you are preforming
they are preforming
Present Perfect
I have preformed
you have preformed
he/she/it has preformed
we have preformed
you have preformed
they have preformed
Past Continuous
I was preforming
you were preforming
he/she/it was preforming
we were preforming
you were preforming
they were preforming
Past Perfect
I had preformed
you had preformed
he/she/it had preformed
we had preformed
you had preformed
they had preformed
Future
I will preform
you will preform
he/she/it will preform
we will preform
you will preform
they will preform
Future Perfect
I will have preformed
you will have preformed
he/she/it will have preformed
we will have preformed
you will have preformed
they will have preformed
Future Continuous
I will be preforming
you will be preforming
he/she/it will be preforming
we will be preforming
you will be preforming
they will be preforming
Present Perfect Continuous
I have been preforming
you have been preforming
he/she/it has been preforming
we have been preforming
you have been preforming
they have been preforming
Future Perfect Continuous
I will have been preforming
you will have been preforming
he/she/it will have been preforming
we will have been preforming
you will have been preforming
they will have been preforming
Past Perfect Continuous
I had been preforming
you had been preforming
he/she/it had been preforming
we had been preforming
you had been preforming
they had been preforming
Conditional
I would preform
you would preform
he/she/it would preform
we would preform
you would preform
they would preform
Past Conditional
I would have preformed
you would have preformed
he/she/it would have preformed
we would have preformed
you would have preformed
they would have preformed
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.preform - form into a shape resembling the final, desired one
shape, mould, mold, form, forge, work - make something, usually for a specific function; "She molded the rice balls carefully"; "Form cylinders from the dough"; "shape a figure"; "Work the metal into a sword"
preform - form or shape beforehand or determine the shape of beforehand
2.preform - form or shape beforehand or determine the shape of beforehand
shape, mould, mold, form, forge, work - make something, usually for a specific function; "She molded the rice balls carefully"; "Form cylinders from the dough"; "shape a figure"; "Work the metal into a sword"
preform - form into a shape resembling the final, desired one
Translations

preform

vtvorformen
References in periodicals archive ?
18, 2015 /PRNewswire/ -- Optical fiber preform, a kind of specialty glass preform used to draw optical fiber, is the core material for the manufacturing of optical fiber.
Development of Global Optical Fiber Preform Industry
For CSD bottles made with the cold-mold process, a cooler preform results in greater orientation during stretching and better bottle performance.
5g preform weighing just a little more is a cost effective solution for 500m1 bottles of sparkling and carbonated products.
The preform is stretched axially by a stretch rod and radially by pressurized air until it takes up the shape of the bottle mold.
Patent 8,303,887 (November 6, 2012),"Apparatus for the Infusion of Resin into a Preform in a Closed Mould," Vincenzo De Vita, Francesco Beneventi, and Marco Raffone (Alenia Aeronautica S.
Therefore, a new chapter on all aspects of preform molding has been added here.
With the ever-present challenge of ensuring high, consistent quality products, APPE turned to Intravis for its testing applications including a ColourWatcher system, which ensures preform colour consistency, PreWatcher, for high speed preform selection and BottleWatcher, for container inspection.
Researchers have patented a production process that comprises a preform formation step of forming a fiber preform made of silicon carbide short fibers having heat resistance of 1000[degrees]C or greater; a sol-gel preparation step of preparing a sol-gel solution containing a heat resistant compound having heat resistance of 1000[degrees]C or greater; an impregnation-drying-calcination step of impregnating the fiber preform with the sol-gel solution, followed by drying and calcining; and a crystallization step of crystallizing the fiber preform after impregnation, drying and calcination.
The accuracy of all ECOs ([+ or -] 1% by volume) means that considerable material savings can be achieved in preform production (and shaped preforms are said to reduce the risk of mold rejects).
Advantages over plain solder preforms include improved process time--using the pre-applied, fused flux, the preforms eliminate the need to add flux as an additional process step--and improved accuracy since the process fuses precise amounts of flux onto each solder preform.
It relies on a 3-D printing process to fabricate a net-shape ceramic preform.