phase

(physical chemistry) a distinct state of matter in a system; matter that is identical in chemical composition and physical state and separated from other material by the phase boundary; "the reaction occurs in the liquid phase of the system"

पदार्थ की वह अवस्था जिसमें पदार्थ बहने की प्रवृत्ति प्रदर्शित करती है

we are in a transitional stage in which many former ideas must be revised or rejected