same rank; same digit
Used in mathematics, statistics, and formal contexts to indicate equal rank, position, or digit value.
この二つの数値は同位である。
These two numbers have the same digit value.
彼
They hold positions of the same rank in the company.
同位 refers to occupying the same position or rank in a hierarchy or sequence, whereas 同格 is broader and also covers grammatical apposition.
同位 is a more technical term for occupying the same position or rank in a hierarchy, while 同列 is broader and covers rows, lines, or figurative levels.
isotope
array
person of equal rank; peer; equal
corresponding angles
isosurface
Compound of 同 (same) and 位 (rank, position). The reading どうい follows standard on'yomi.