Exam: Cambridge English: C1 Advanced (CAE)

Definition: A unit of measurement for digital information that equals one quadrillion bytes or 1,024 terabytes.

Example: The new data center can store up to 10 petabytes of information.

Definition: A tiny red or purple spot on the skin or mucous membrane caused by bleeding under the skin.

Example: The doctor noticed several petechiae on the patient's arm during the examination.

Definition: Describing something that is related to or looks like small spots of bleeding under the skin.

Example: The doctor noted the petechial rash on the patient's arm during the examination.

Definition: Relating to or characterized by making a formal request or appeal.

Example: The group submitted a petitionary request to the city council for better public transportation.

Definition: A person who formally requests something from a court or other authority by presenting a petition.

Example: The petitioner submitted a request for a new trial.

Definition: The process of turning organic material into a stony substance, often preserving its original shape.

Example: The petrification of the tree trunk took thousands of years, resulting in a beautiful fossil.

Definition: To turn into stone or to become very hard and unyielding, often used metaphorically to describe a state of being frozen in fear or shock.

Example: When she saw the giant spider, she seemed to petrify in place, unable to move.

Definition: To make someone very frightened or shocked, so that they cannot move or think clearly.

Example: The sudden loud noise seemed to petrify the children, leaving them frozen in place.

Definition: Relating to the process of forming new rocks from molten material.

Example: The petrogenetic studies help us understand how different types of rocks are formed.

Definition: A person who studies the composition and structure of rocks, especially through microscopic examination.

Example: The petrographer analyzed the mineral content of the rock samples.

Definition: Related to the study and description of rocks and minerals, especially through the use of thin sections and microscopic analysis.

Example: The petrographic analysis revealed the mineral composition of the rock sample.