1. (noun) (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

• phylogenetic relation

2. (noun) a close connection marked by community of interests or similarity in nature or character

• kinship

3. (noun) the force attracting atoms to each other and binding them together in a molecule

• chemical attraction

1. (noun) (immunology) the attraction between an antigen and an antibody

• immunology

2. (noun) (anthropology) kinship by marriage or adoption; not a blood relationship

• anthropology

3. (noun) (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

• biological science
• biology

1. (noun) (immunology) the attraction between an antigen and an antibody

• attraction
• attractive force

2. (noun) (anthropology) kinship by marriage or adoption; not a blood relationship

• family relationship
• kinship
• relationship

3. (noun) (biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts

• family relationship
• kinship
• relationship

4. (noun) a close connection marked by community of interests or similarity in nature or character

• relation

5. (noun) the force attracting atoms to each other and binding them together in a molecule

• force

6. (noun) inherent resemblance between persons or things

• resemblance

7. (noun) a natural attraction or feeling of kinship

• attraction
• attractiveness

1. (noun) (anthropology) kinship by marriage or adoption; not a blood relationship

• steprelationship

2. (noun) a close connection marked by community of interests or similarity in nature or character

• rapport
• resonance
• sympathy

1. (noun) (anthropology) kinship by marriage or adoption; not a blood relationship

• affinal
• affine

1. (noun) (anthropology) kinship by marriage or adoption; not a blood relationship

• blood kinship
• cognation
• consanguinity