FIXED

1. Securely placed or fastened; settled; established; company; imovable; unalterable. 2. Stable; non-volatile. Fixed air, the fixed point about which any line of troops wheels. Fixed stars, such stars as always retain almost the same apparent position and distance with respect to every another, thus distinguished from planets and comets. Source: Websters Vocabulary

Fick's laws of diffusion ficoll ficoll gradient Ficoll-Hypaque technique ficosis fiction fictional fictitious feeding (4)