| Term | Definition | Contributor | Modified |
|---|---|---|---|
| Amortization | No definition provided | Christopher Rauch | 2023.12.01 |
| Amosite | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Ampelidae | No definition provided | Christopher Rauch | 2023.12.01 |
| ampere | No definition provided | Ryan McGranaghan | 2023.04.16 |
| ampere per meter | No definition provided | Ryan McGranaghan | 2023.04.16 |
| ampere per meter squared | No definition provided | Ryan McGranaghan | 2023.04.16 |
| ampere squared | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Amphibia | No definition provided | Christopher Rauch | 2023.12.01 |
| amphibian | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Amphibole | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphictyonie league | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphigene | No definition provided | Ryan McGranaghan | 2023.04.16 |
| Amphimixis | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphineura | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphioxus | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphipoda | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphitrite (Minor planet) | No definition provided | Christopher Rauch | 2023.12.01 |
| Amphorae | No definition provided | Christopher Rauch | 2023.12.01 |
| amplitude | Often the greatest magnitude at a given point of any spatially and temporally varying physical quantity governed by a wave equation; can also mean the spatial part of a time-harmonic wave function. | Ryan McGranaghan | 2023.04.16 |
| Amplitude Spectrum | Amplitude distribution as a function of frequency, typically derived using Fast Fourier Transform (FFT) analysis. | Ashley Adair | 2023.03.27 |