Biochemist (noun)

1. A scientist who studies the chemical processes and substances in living organisms.
2. An expert in the field of biochemistry.

Origin:

The word 'biochemist' originated in the late 19th century and is derived from the word 'biochemistry' which is the study of the chemical processes in living organisms, and the suffix '-ist' which is used to form nouns indicating a person who practices or is an expert in a specified activity.

Examples:

1. The biochemist discovered a new enzyme that helped regulate the metabolic processes in cells.
2. The biochemist developed a new method for studying the structure of proteins.
3. The biochemist was studying the biochemical pathways involved in the storage and utilization of energy.
4. The biochemist's research was focused on the biochemistry of photosynthesis and plant growth.
5. The biochemist's discoveries in the field of biochemistry revolutionized the understanding of cellular processes.