Definition: A term used to describe the study of how languages change over time, focusing on the historical development and evolution of language.

Example: Linguists often use diachrony to understand how words and grammar have evolved throughout history.

Definition: Able to react with two molecules of a simple acid or one of a two-acid compound to create a salt or ester.

Example: The diacid compound can be used to produce various types of polymers.

Definition: A type of acid that contains two hydrogen atoms that can be replaced by bases in a chemical reaction.

Example: Citric acid is a common diacid found in citrus fruits.

Definition: Describing a type of flower where the stamens are grouped into two sets or bundles.

Example: The diadelphous stamens of the plant make it easy to identify its species.

Definition: Referring to fish that migrate between saltwater and freshwater environments during different stages of their life cycle.

Example: Salmon are diadromous fish, as they travel from the ocean to freshwater rivers to spawn.

Definition: Relating to a sharp or biting quality, often used to describe a tone or manner that is harsh or critical.

Example: Her diaeretic remarks during the meeting made everyone uncomfortable.

Definition: The process of change that occurs in sediment as it turns into rock, involving chemical and physical alterations.

Example: Diagenesis plays a crucial role in the formation of sedimentary rocks.

Definition: Relating to the process by which sediment turns into rock through physical and chemical changes over time.

Example: The diagenetic changes in the sedimentary layers were evident in the rock formations.

Definition: In a way that relates to the process of diagenesis, which is the physical and chemical changes occurring in sediments after their initial deposition.

Example: The rock layers were formed diagenetically over millions of years, changing their structure and composition.

Definition: Describing a type of growth that occurs at a right angle to the direction of gravity.

Example: The diageotropic response of the plant allowed it to grow sideways, away from the gravitational pull.

Definition: Able to be identified or determined through examination or testing.

Example: The doctor said the illness is diagnosable with the right tests.