词根词缀：allo-, all-

【来源及含义】Greek: different, other, another; divergence; a combining form denoting a condition differing from the normal or a reversal, or referring to "another"

【相关词根词缀】 Inter-related cross references, directly or indirectly, involving word units meaning "another, other, different, alternating, varied, changing": ali-; alter-; allelo-; hetero-; mut-; poikilo-; reciproc-; vari-.

【同源单词】allegory, allenthesis, allergen, allergization, allergy, allesthesia

词根词缀：tropo-, trop-, -tropal, -trope(s), -tropic, -tropism, -tropia, -tropous, -tropy, trep-

【来源及含义】Greek: bend, curve, turn, a turning; response to stimulus

【相关描述】Don't confuse this tropo-, -tropy element with tropho-, meaning "food, nourishment, nutrition".

【相关词根词缀】 Inter-related cross references involving word units meaning "bend, curve, turn": diversi-; diverticul-; flect-, flex-; gyro-; meand-; -plex; streph-; stroph-; tors-; verg-; vers-; volv-.

【同源单词】acrotropic, acrotropism, aerotropic, aerotropism, ageotropism, allotrope