A delustrant is a substance that reduces the lustre (sheen) of synthetic fibres. Adding powdered titanium dioxide causes the surface of the fibres to be rougher, reducing the sheen; at the same time, being opaque, it reduces the transparency of the fibre.

noun. a chemical process for reducing the luster of rayon yarns by adding a finely divided pigment to the spinning solution.

The definition of preliminary is something that happens or comes before the main action. An example of a preliminary act is a drug screen that happens before a new employee is hired.

noun, plural pre·lim·i·nar·ies. something preliminary, as an introductory or preparatory step, measure, contest, etc.: He passed the preliminary and went on to the finals.

Leaf fibers or hard fibers are a type of plant fiber mainly used for cordage (producing rope). They are typically characterized as being very tough and rigid lending them towards being used in rope production over clothing or paper like other plant fibers.

Preliminary hearings, often referred to as “prelims,” require the prosecutor to show enough credible evidence to a judge to convince that judge to send the case on to trial. In some states, preliminary hearings are held in every criminal case. In other states, they are held only if the defense requests them.

Preliminary hearings, often referred to as “prelims,” require the prosecutor to show enough credible evidence to a judge to convince that judge to send the case on to trial.

Preliminary in a Sentence 🔉

1. Though he passed the preliminary exam, further testing proved he was not ready to begin.
2. With the preliminary tests of the soil, the farmer was worried he would not be able to grow enough vegetables.
3. Upon his preliminary inspection, he was approved to move on to the next round.

1 The discussions were preliminary to preparing a policy paper. 2 Preliminary arrangements have been made. 3 After a few preliminary remarks he announced the winners. 4 A preliminary groundwork must be laid this year.