All the words start with A in biology are listed here in this article.

Are you looking for a fun and effective way to enhance your vocabulary? You can begin by exploring words that start with the letter “A.” The English language offers a wealth of fascinating words, with many beginning with the very first letter of the alphabet. Whether you are a writer, student, or simply someone who loves words, this guide on words that start with “A” will help you discover new vocabulary and improve your linguistic skills.

Why Focus on Words That Start with A?

The letter “A” stands out as one of the most versatile and frequently used letters in the English language. We can find words starting with “A” across all fields of study, from everyday terms to complex words that convey specific ideas or emotions, including science, literature, business, and even daily conversations. When you learn more “A” words, you not only enrich your vocabulary but also enhance your ability to express yourself more clearly and confidently. Let’s dive into some interesting categories of “A” to help you get started.

List of all words start with A

(The Encyclopedia of Biology)

ABO Blood Group  . Abortion . Abscisic Acid . Absorption Spectrum . Abyssal Zone . Acclimatisation . Acoelomate . Acid Precipitation . Acid . Acetyl CoA . Acetylcholine (ACh) . Aconitase . Actin . Acrosome . Actinomorphic . Action potential . Active site . Active transport . Adaptive radiation . Agnatha . Adrenal glands . Affinity . Allometric growth . Allen’s Rule . Allele . Allantois . Algae . Aldosterone . Aldehydes . AIDS . Agonist . Amoebic dysentery . Amino acid residue . Amino Acid . Alveolus .  Alveoli . Altruistic Behavior . Alternation of generation . Alpha helix . Allosteric enzyme . Allosteric bindign site . Allopolyploid . all words starting with A . ATP synthase . Atrium . Autonomic nervous system . Arrhenius . Aristotle . Ascus . Arteriosclerosis . Artificial selection . Arthropoda . Asexual reproduction . Animalia .

Arthritis . Artery . Archipelago . Archenteron . Aposematic coloration . Apoptosis Cells . Aquaporins . Archaea . Acquired immunodeficiency syndrome . Anisotropy . Aneuploidy . Angiosperm . Androgens Steroid . Androgynous . Anion . Analogy . Anation . Analog . Anagenesis . Anaerobic . Anabolism . Amphipathic molecule . Amphibian . Amniocentesis . Amniotic egg . Aminoacyl-tRNA synthetases (aaRSs) . Amniotes . Amnion . Amino group . Antisense molecule . Antimetabolite . Antidiuretic hormone . Antigen . Aphotic zone . Apical meristem . Apical dominance . Antibody . Antibiotic . Anti . Anthrax . Antheridium . Anther . Antagonist . Annual . Archaezoa . Aquation . Apoprotein . Apomixis . Apomorphic character . Apoplast . Aqueous solution . Archegonium . Anticodon .