[2][3] The dictionary definition of Trilobal at Wiktionary is a combination of the words "Tri" for three and "lobal" for sides.
Many synthetic fibres, such as polyester and nylon, are manufactured in Trilobal cross sectional shape for the purpose of enhancing the brilliance and changing the handle.
[3][5][6] Synthetic fibers are particularly suitable for specific effects such as crimping and texturizing due to their adaptability during production.
[7] Trilobal cross section helps alter texture and several physical attributes such as strength and static properties, in addition to providing brightness to the fibres.
[8] [4] The trilobal cross sectional shape helps to reduce manufacturing defects in filaments.