Comparamos la conducción aérea con la conducción ósea.

Comparamos can mean either:

• we compare (present tense), or
• we compared (simple past / preterite)

Spanish has some forms that look identical in these two tenses for nosotros verbs ending in -ar.

So the exact meaning depends on context. In an isolated sentence like this, many learners will first read it as we compare, especially in a scientific or instructional context.

• Present: Comparamos la conducción aérea con la conducción ósea. = We compare air conduction with bone conduction.
• Preterite: Ayer comparamos la conducción aérea con la conducción ósea. = Yesterday we compared air conduction with bone conduction.

Context tells you which one is intended.

Spanish often uses the definite article more than English does.

Here, la conducción aérea and la conducción ósea are treated as two specific concepts or categories, so Spanish naturally says:

• la conducción aérea
• la conducción ósea

In English, we often drop the in technical labels and say:

• air conduction
• bone conduction

But in Spanish, using la sounds normal and correct.

Because after con, Spanish still often keeps the article when referring to a specific noun phrase.

So:

• con la conducción ósea = with bone conduction

Dropping the article here would sound unnatural in standard Spanish. The phrase refers to a defined concept, not just a vague material or quality.

The verb comparar is commonly used with con when you compare one thing with another:

• comparar algo con algo = to compare something with something

So:

• Comparamos X con Y = We compare X with Y

In many contexts, Spanish also allows comparar X y Y without a preposition:

• Comparamos la conducción aérea y la conducción ósea.

That can also mean We compare air conduction and bone conduction.

But con makes the comparison relationship especially explicit, just like with in English.

In Spanish, adjectives usually come after the noun.

So:

• conducción aérea
• conducción ósea

This is the normal order for descriptive or classifying adjectives, especially in technical language.

English usually puts the modifier before the noun:

• air conduction
• bone conduction

So the word order is different from English, but completely standard in Spanish.

Because they agree with conducción, which is a feminine noun.

• la conducción → feminine singular
• therefore the adjectives must also be feminine singular:
  • aérea
  • ósea

This is called adjective agreement.

If the noun were masculine, the adjective would change too. For example:

• el tejido óseo = bone tissue

Here tejido is masculine, so óseo is masculine too.

Conducción has a written accent because of Spanish stress rules.

The natural stress is on the last syllable:

• con-duc-ción

Words ending in n, s, or a vowel are normally stressed on the second-to-last syllable unless they have an accent mark. Since conducción is stressed on the last syllable, it needs the accent.

Also, the ending -ción is very common in Spanish and is almost always stressed there:

• nación
• información
• comparación
• conducción

They have accent marks to show the correct stress and vowel separation.

aérea

This comes from aéreo / aérea. The accent helps show that the vowels are pronounced in separate syllables:

• a-é-re-a

ósea

This comes from óseo / ósea. The accent marks the stressed syllable:

• ó-se-a

These accents are important because without them, the pronunciation pattern would be unclear or incorrect.

A simple pronunciation guide:

• aérea ≈ ah-EH-reh-ah
• ósea ≈ OH-seh-ah

A few notes:

• In aérea, the stress is on é.
• In ósea, the stress is on ó.
• In most of Latin America, s sounds like the English s.
• The c in conducción before i is pronounced like s in Latin America:
  • conducción ≈ con-dooc-SYON or con-dooc-see-ON, depending on how narrowly you describe it

Here, conducción means conduction, in a technical or medical sense.

So:

• conducción aérea = air conduction
• conducción ósea = bone conduction

This is common in hearing and audiology contexts. It does not mean driving here, even though conducción can also mean driving in other contexts.

Spanish words often have more than one meaning depending on the field.

Yes. Óseo / ósea means bony or related to bone, and it comes from the same idea as hueso (bone).

So:

• hueso = bone (the everyday noun)
• óseo / ósea = osseous, bony, or bone-related (more technical adjective)

In medical or scientific Spanish, óseo/ósea is very common.

Yes, absolutely.

Spanish often avoids repeating a noun when the meaning is clear:

• Comparamos la conducción aérea con la ósea.

This means the same thing as the full sentence:

• Comparamos la conducción aérea con la conducción ósea.

The shorter version is natural and common. The full version may be preferred for clarity, emphasis, or technical precision.

Yes. The full sentence could be:

• Nosotros comparamos la conducción aérea con la conducción ósea.

But Spanish usually drops subject pronouns when the verb already makes the subject clear.

Since comparamos tells you the subject is we, nosotros is normally unnecessary.

Spanish is a pro-drop language, so omitted subject pronouns are very common.