upsilon /ūp-sīˈlon, ŭp-, ūpˈsi- or upˈsi-/ or ypsilon /ip-sīˈlon or ipˈsi-/

1. The twentieth letter of the Greek alphabet (Υ, υ)
2. As a numeral υˈ = 400, ˌυ = 400000
3. A short-lived heavy subatomic particle produced when beryllium nuclei are bombarded with high-energy protons

• adscript
• adscription
• adscriptions
• adscripts
• ADSL
• adsorb
• adsorbabilities
• adsorbability
• adsorbable
• adsorbate
• adsorbates
• adsorbed
• adsorbent
• adsorbents
• adsorbing
• adsorbs
• adsorption
• adsorptions
• adsorptive
• adsuki bean
• adsuki beans
• adsum
• ad summum
• aduki bean
• aduki beans