ribbit â(third-person singular simple present ribbits, present participle ribbiting or ribbitting, simple past and past participle ribbited or ribbitted). ( 1 intransitive) To make the sound of a frog or toad.
Rugged is defined as durable or sturdy, or a rough terrain or landscape. A big Jeep made for off-roading and going outdoors is an example of a rugged car. A rocky, rough and mountainous landscape is an example of a rugged landscape. rugged. rugged.
Strain is the deformation of rock as a result of an applied stress. Normal stress causes change in volume and commonly the shape of material. Shear stress always causes changes in shape but not in volume. THE ROLE OF PRESSURE IN METAMORPHISM (2) Mineral stability is related not only to temperature, but also to applied stress.